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Question
If 25, 35 and x are in continued proportion, find the value of x.
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Solution
25, 35 and x are in continued proportion
⇒ 25 : 35 = 35 : x
⇒ 25 × x = 35 × 35
⇒ x = `(35xx35)/25`
⇒ x = 49
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