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Finding the Third Proportional to 87,610.99 and 137,255.13

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Solution

The third proportional to 87,610.99 and 137,255.13 is: 215,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,610.99 : 137,255.13 = 137,255.13 : x
  2. Step 2: Convert to fraction form
    87,610.99/137,255.13 = 137,255.13/x
  3. Step 3: Cross multiply
    87,610.99x = 137,255.13 × 137,255.13
  4. Step 4: Simplify right side
    87,610.99x = 18,838,971,483.38
  5. Step 5: Solve for x
    x = 18,838,971,483.38/87,610.99
  6. Step 6: Final answer
    x = 215,029.77

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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.