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Finding the Third Proportional to 87,331.92 and 187,113.80

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Solution

The third proportional to 87,331.92 and 187,113.80 is: 400,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,331.92 : 187,113.80 = 187,113.80 : x
  2. Step 2: Convert to fraction form
    87,331.92/187,113.80 = 187,113.80/x
  3. Step 3: Cross multiply
    87,331.92x = 187,113.80 × 187,113.80
  4. Step 4: Simplify right side
    87,331.92x = 35,011,572,980.98
  5. Step 5: Solve for x
    x = 35,011,572,980.98/87,331.92
  6. Step 6: Final answer
    x = 400,902.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.