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Finding the Third Proportional to 87,862 and 207,310

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Solution

The third proportional to 87,862 and 207,310 is: 489,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,862 : 207,310 = 207,310 : x
  2. Step 2: Convert to fraction form
    87,862/207,310 = 207,310/x
  3. Step 3: Cross multiply
    87,862x = 207,310 × 207,310
  4. Step 4: Simplify right side
    87,862x = 42,977,436,100
  5. Step 5: Solve for x
    x = 42,977,436,100/87,862
  6. Step 6: Final answer
    x = 489,147.03

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.