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Βιβλία Βιβλία 11 - 20 από 180 για In any proportion, the product of the means equals the product of the extremes..
" In any proportion, the product of the means equals the product of the extremes. "
The New Normal Written Arithmetic: Designed for Common Schools, Normal ... - Σελίδα 293
των Edward Brooks - 1877 - 421 σελίδες
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The Illustrative Practical Arithmetic ...

George Augustus Walton - 1873
...NOTE TO THE TEACHER. — The principle given in Deduction 1 is sometimes enunciated thus : " In any proportion the product of the means equals the product of the extremes," which is not true when the terms are denominate numbers ; thus in the proportion 4 pk. : 5 pk. = $...

The Normal Written Arithmetic: By Analysis and Synthesis, Designed for ...

Edward Brooks - 1874 - 337 σελίδες
...Compound Proportion is the comparison of compound ratios. PRINCIPLES OP PROPORTION. PROP. I. — In evert/ proportion the product of the means equals the product of the extremes. DEM. — In the prijportion 2 : 6 : : 4 : 12 we have j = i*y; now if we multiply both these equals...

The Normal Union Arithmetic: Designed for Common Schools, Normal Schools ...

Edward Brooks - 1877 - 429 σελίδες
...In Simpie Proportion both the ratios compared are simple ; in Compound Proportion one or both of the ratios are compound. 563. A Simple Proportion is the...extremes. In any proportion, as 6 : 3 : : 8 : 4, we have f = J, and multiplying these equals by 4 and 3 we have 6x4=8x3; that is, the product of the two means...

The Normal Union Arithmetic: Graded Course, Μέρος 3

Edward Brooks - 1877 - 429 σελίδες
...the ratios compared are simple ; in Compound Proportion one or both of the ratios are compound. 562. A Simple Proportion is the expression of the equality...extremes. In any proportion, as 6 : 3 : : 8 : 4, we have f = £, and multiplying these equals by 4 and 3 we have 6x4=8x3; that is, the product of the two means...

The Complete Arithmetic: Combining Oral and Written Exercises in a Natural ...

Albert Newton Raub - 1877 - 333 σελίδες
...Multiplying each member by 2 and 3, the denominators, the equation becomes 2x12 = 3x8; hence, the following Principles : 1. In every proportion the product of the means equals the product of the extremes. 2. The product of the means divided by either extreme will give the other extreme. 3. The product of...

The Normal Higher Arithmetic: Designed for Common Schools, High Schools ...

Edward Brooks - 1877 - 542 σελίδες
...comparison of two ratios. A proportion is therefore a comparison of the results of two previous comparisons. PRINCIPLES. 1. In every proportion the product of the means equals the product of the extremes. Take any proportion, as 6 : 3 : : 8 : 4. Then we have f = f, and multiplying these equals by 4 and...

The Illustrative Practical Arithmetic by a Natural Method: With Dictation ...

George Augustus Walton, Electa Nobles Lincoln Walton - 1877 - 336 σελίδες
...NOTE TO THE TEACHER. — The principle given in Deduction 1 is some, times enunciated thus : " In any proportion the product of the means equals the product of the extremes," which is not true when the terms are denominate numbers ; thus in the proportion 4 pk. : 5 pk. = $...

The Normal Union Arithmetic: Designed for Common Schools, Normal Schools ...

Edward Brooks - 1889 - 421 σελίδες
...to a proportion. They enable us to find any one term when the other three are given. PRINCIPLES. I. In every proportion the product of the means equals...extremes. In any proportion, as 6 : 3 : : 8 : 4, we have j = }, and multiplying these equals by 4 and 3 we have 6x4=8x3; that is, the product of 'in- two means...

The Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ...

Horatio Nelson Robinson - 1875 - 456 σελίδες
...Hence, TI. The square of a mean proportional is equal to the product '' the other two terms. 428. Since in every proportion the product of the means equals the product of the extremes, (4S87, 1), it follows that, any three terms of a proportion being given, the fourth may be found by...

Executive Documents, Minnesota ..., Τόμος 2

Minnesota - 1883
...demonstrate the rule for finding the Lowest Common Multiple of two or more numbers. . 8. Prove that in any proportion the product of the means equals the product of the extremes. x Simplify X 5. Multiply #3 by^/2. Multiply 4^—3 by 2v/— 2. Add^/50 and 6. Extract the cube root...




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