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Finding the Third Proportional to 57,734 and 86,601

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Solution

The third proportional to 57,734 and 86,601 is: 129,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734 : 86,601 = 86,601 : x
  2. Step 2: Convert to fraction form
    57,734/86,601 = 86,601/x
  3. Step 3: Cross multiply
    57,734x = 86,601 × 86,601
  4. Step 4: Simplify right side
    57,734x = 7,499,733,201
  5. Step 5: Solve for x
    x = 7,499,733,201/57,734
  6. Step 6: Final answer
    x = 129,901.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.