Question

    Find the third proportional to 11 and

    33?
    A 147 Correct Answer Incorrect Answer
    B 208 Correct Answer Incorrect Answer
    C 99 Correct Answer Incorrect Answer
    D 192 Correct Answer Incorrect Answer

    Solution

    Third proportional = a : b :: b : c It can be written as = b2 = ac   Here, a : b : c = 11 : 33 : c => 33 × 33 = 11 × c => c = (33 × 33)/11 = 99

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