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In any proportion, the product of the means is equal to the product of the extremes.
The Youth's Assistant in Theoretic and Practical Arithmetic: Designed for ... - Page 73
by Zadock Thompson - 1832 - 168 pages
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## Strategies For Success On The Sat 2005: Mathematics Section

Lisa Muehle - Study Aids - 2004 - 239 pages
...proportion. The relationship between w and x is proportional to the relationship between y and z. In any proportion, the product of the means is equal to the product of the extremes. In the proportion above, x • y = w • z. SAT PRACTICE: RATIO & PROPORTION (SIMPLE RATIOS) Of 200...
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## Fundamental Concepts of Mathematics, Volume 1

Steven K. Atiyah - Education - 2005 - 703 pages
...are called the extremes. If a/b =c/d, then multiplying both sides by bd would lead to ad = be, ie, the product of the means is equal to the product of the extremes. EXAMPLE 6.29 Given a/b = c/d. (1) Multiplying both sides of (1) by bd, we have: ad = be. (2) Dividing...
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## A Nurse's Guide to Dosage Calculation: Giving Medications Safely

Vicki Niblett - Medical - 2006 - 338 pages
...proportion closest to the equal sign are called the means. The parts at either end are called the extremes. The product of the means is equal to the product of the extremes. I- — means- — 4 12 chocolates: 25 candies = X chocolates: 100 candies -extremes — Means = 25...
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## Strategies for Success on the Sat - Mathematics Section: Secrets, Tips and ...

Lisa Muehle - Mathematics - 2006 - 239 pages
...proportion. The relationship between w and x is proportional to the relationship between y and z. In any proportion, the product of the means is equal to the product of the extremes. In the proportion above, x • y = w • z. SAT PRACTICE: RATIO & PROPORTION (SIMPLE RATIOS) Of 200...
Limited preview - About this book