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Finding the Third Proportional to 87,725 and 185,413

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Solution

The third proportional to 87,725 and 185,413 is: 391,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,725 : 185,413 = 185,413 : x
  2. Step 2: Convert to fraction form
    87,725/185,413 = 185,413/x
  3. Step 3: Cross multiply
    87,725x = 185,413 × 185,413
  4. Step 4: Simplify right side
    87,725x = 34,377,980,569
  5. Step 5: Solve for x
    x = 34,377,980,569/87,725
  6. Step 6: Final answer
    x = 391,883.51

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.