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    Question

    Find out the third proportion to 18 and

    27.
    A 36.5 Correct Answer Incorrect Answer
    B 40.5 Correct Answer Incorrect Answer
    C 55.9 Correct Answer Incorrect Answer
    D 80.4 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Third proportion of 'a' and 'b' = (b² / a)

    So, third proportion = (27² / 18) = (729 / 18) = 40.5

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