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Finding the Third Proportional to 87,540 and 192,099.75

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Solution

The third proportional to 87,540 and 192,099.75 is: 421,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,540 : 192,099.75 = 192,099.75 : x
  2. Step 2: Convert to fraction form
    87,540/192,099.75 = 192,099.75/x
  3. Step 3: Cross multiply
    87,540x = 192,099.75 × 192,099.75
  4. Step 4: Simplify right side
    87,540x = 36,902,313,950.06
  5. Step 5: Solve for x
    x = 36,902,313,950.06/87,540
  6. Step 6: Final answer
    x = 421,548.02

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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.