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Finding the Third Proportional to 20,108.25 and 41,553

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Solution

The third proportional to 20,108.25 and 41,553 is: 85,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.25 : 41,553 = 41,553 : x
  2. Step 2: Convert to fraction form
    20,108.25/41,553 = 41,553/x
  3. Step 3: Cross multiply
    20,108.25x = 41,553 × 41,553
  4. Step 4: Simplify right side
    20,108.25x = 1,726,651,809
  5. Step 5: Solve for x
    x = 1,726,651,809/20,108.25
  6. Step 6: Final answer
    x = 85,867.83

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.