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Finding the Third Proportional to 87,550.13 and 122,952.75

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Solution

The third proportional to 87,550.13 and 122,952.75 is: 172,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,550.13 : 122,952.75 = 122,952.75 : x
  2. Step 2: Convert to fraction form
    87,550.13/122,952.75 = 122,952.75/x
  3. Step 3: Cross multiply
    87,550.13x = 122,952.75 × 122,952.75
  4. Step 4: Simplify right side
    87,550.13x = 15,117,378,732.56
  5. Step 5: Solve for x
    x = 15,117,378,732.56/87,550.13
  6. Step 6: Final answer
    x = 172,671.13

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.