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    Question

    Find the third proportion of 25 and

    40.
    A 33 Correct Answer Incorrect Answer
    B 64 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 25 Correct Answer Incorrect Answer

    Solution

    ATQ, Third proportion of two numbers a and b is (b² ÷ a). So, third proportion = (40² ÷ 25) = (1600 ÷ 25) = 64.

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