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Finding the Third Proportional to 87,517.13 and 191,976.75

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Solution

The third proportional to 87,517.13 and 191,976.75 is: 421,118.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,517.13 : 191,976.75 = 191,976.75 : x
  2. Step 2: Convert to fraction form
    87,517.13/191,976.75 = 191,976.75/x
  3. Step 3: Cross multiply
    87,517.13x = 191,976.75 × 191,976.75
  4. Step 4: Simplify right side
    87,517.13x = 36,855,072,540.56
  5. Step 5: Solve for x
    x = 36,855,072,540.56/87,517.13
  6. Step 6: Final answer
    x = 421,118.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.