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Finding the Third Proportional to 57,229 and 87,551

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Solution

The third proportional to 57,229 and 87,551 is: 133,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,229 : 87,551 = 87,551 : x
  2. Step 2: Convert to fraction form
    57,229/87,551 = 87,551/x
  3. Step 3: Cross multiply
    57,229x = 87,551 × 87,551
  4. Step 4: Simplify right side
    57,229x = 7,665,177,601
  5. Step 5: Solve for x
    x = 7,665,177,601/57,229
  6. Step 6: Final answer
    x = 133,938.70

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.