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Finding the Third Proportional to 67,593 and 139,469

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Solution

The third proportional to 67,593 and 139,469 is: 287,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,593 : 139,469 = 139,469 : x
  2. Step 2: Convert to fraction form
    67,593/139,469 = 139,469/x
  3. Step 3: Cross multiply
    67,593x = 139,469 × 139,469
  4. Step 4: Simplify right side
    67,593x = 19,451,601,961
  5. Step 5: Solve for x
    x = 19,451,601,961/67,593
  6. Step 6: Final answer
    x = 287,775.39

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.