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Finding the Third Proportional to 753 and 903

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Solution

The third proportional to 753 and 903 is: 1,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    753 : 903 = 903 : x
  2. Step 2: Convert to fraction form
    753/903 = 903/x
  3. Step 3: Cross multiply
    753x = 903 × 903
  4. Step 4: Simplify right side
    753x = 815,409
  5. Step 5: Solve for x
    x = 815,409/753
  6. Step 6: Final answer
    x = 1,082.88

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