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Finding the Third Proportional to 87,614 and 137,262

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Solution

The third proportional to 87,614 and 137,262 is: 215,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614 : 137,262 = 137,262 : x
  2. Step 2: Convert to fraction form
    87,614/137,262 = 137,262/x
  3. Step 3: Cross multiply
    87,614x = 137,262 × 137,262
  4. Step 4: Simplify right side
    87,614x = 18,840,856,644
  5. Step 5: Solve for x
    x = 18,840,856,644/87,614
  6. Step 6: Final answer
    x = 215,043.90

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.