If 5,x,45 are in continued proportion, find the value of x.

Dear Student,

Three quantities of same kind are said to be in continued proportion, if the ratio of  first to the second is same as the ratio of second to third.

Since, 5, x, 45 are in continued prportion, then5 :x = x :455x = x45x2 = 5 × 45x2 = 5 × 5 × 3 × 3x = 5 × 3 = 15

Regards

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