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Finding the Third Proportional to 87,270.75 and 187,902

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Solution

The third proportional to 87,270.75 and 187,902 is: 404,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,270.75 : 187,902 = 187,902 : x
  2. Step 2: Convert to fraction form
    87,270.75/187,902 = 187,902/x
  3. Step 3: Cross multiply
    87,270.75x = 187,902 × 187,902
  4. Step 4: Simplify right side
    87,270.75x = 35,307,161,604
  5. Step 5: Solve for x
    x = 35,307,161,604/87,270.75
  6. Step 6: Final answer
    x = 404,570.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.