SOLUTION: The gear ratio of two gears is the ratio of the number of teeth of the larger gear to the number of teeth to the smaller gear. In a set of three gears, the ratio of Gear A to Gear

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Question 387826: The gear ratio of two gears is the ratio of the number of teeth of the larger gear to the number of teeth to the smaller gear. In a set of three gears, the ratio of Gear A to Gear B is equal to the ratio of Gear B to Gear C. Gear A has36 teeth and Gear C has 16 teeth. How many teeth does Gear B have?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
A:B::B:C. Then by the basic property of proportions, B%5E2+=+AC, so that
B%5E2+=+36%2A16, or B = 6*4 = 24. Gear B has 24 teeth.