Books Books To express that the ratio of A to B is equal to the ratio of C to D, we write the quantities thus : A : B : : C : D; and read, A is to B as C to D. Manual of Geometry and Conic Sections: With Applications to Trigonometry and ... - Page 70
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...also have mc > nd, then a/b = c/d. The definition given by Eudoxus may thus be rephrased as follows: The ratio of a to b is equal to the ratio of c to d if, whatever multiples ma and mc are chosen, and whatever multiples nb and nd are chosen, then either... ## SAT: The Very Best Coaching and Study Course for the Scholastic Assessment ...

...manipulate ratios given a set of constraints. PROBLEM Let A, B, C, and D be positive integers. Assume that the ratio of A to B is equal to the ratio of C to D. Find a possible value for A if the product of BC = 24 and D is odd. SOLUTION The quickest way to find... ## History of Western Philosophy

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...manipulate ratios given a set of constraints. Let A, B, C, and D be positive integers. Assume that the ratio of A to B is equal to the ratio of C to D. Find a possible value for A if the product of BC = 24 and D is odd. SOLUTION The quickest way to find... ## The American Heritage Science Dictionary

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...milk, meat, or yeast. golden section (gol'den) The ratio between two numbers a and b chosen such that the ratio of a to b is equal to the ratio of a+b to a. Its value is approximately 1.618. Shapes with proportions equal to the golden section are... ## The Very Best Coaching & Study Course for PSAT/NMSQT 