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    Question

    Find the third proportion of 30 and

    15.
    A 5.6 Correct Answer Incorrect Answer
    B 9 Correct Answer Incorrect Answer
    C 4.8 Correct Answer Incorrect Answer
    D 7.5 Correct Answer Incorrect Answer

    Solution

    Let the third proportion be тАШxтАЩ. So, x = (15 x 15)/30 = 7.5

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