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Finding the Third Proportional to 87,665.88 and 191,734.25

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Solution

The third proportional to 87,665.88 and 191,734.25 is: 419,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,665.88 : 191,734.25 = 191,734.25 : x
  2. Step 2: Convert to fraction form
    87,665.88/191,734.25 = 191,734.25/x
  3. Step 3: Cross multiply
    87,665.88x = 191,734.25 × 191,734.25
  4. Step 4: Simplify right side
    87,665.88x = 36,762,022,623.06
  5. Step 5: Solve for x
    x = 36,762,022,623.06/87,665.88
  6. Step 6: Final answer
    x = 419,342.45

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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.