\"\"\"\"

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According to Means-extremes Property of proportion: If \"\",

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then ad = bc.

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\"\"              (Cross products)\"\"

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\"\"                    (Multiply: \"\")

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\"\"               (Divide each side by 27)

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\"\"                      (Cancel common terms)

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n = 2                          (Divide: \"\")\"\"

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The value of n = 2.