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Finding the Third Proportional to 87,724.90 and 125,450.65

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Solution

The third proportional to 87,724.90 and 125,450.65 is: 179,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,724.90 : 125,450.65 = 125,450.65 : x
  2. Step 2: Convert to fraction form
    87,724.90/125,450.65 = 125,450.65/x
  3. Step 3: Cross multiply
    87,724.90x = 125,450.65 × 125,450.65
  4. Step 4: Simplify right side
    87,724.90x = 15,737,865,193.39
  5. Step 5: Solve for x
    x = 15,737,865,193.39/87,724.90
  6. Step 6: Final answer
    x = 179,400.21

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.