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Finding the Third Proportional to 20,231,872.50 and 30,348,456

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Solution

The third proportional to 20,231,872.50 and 30,348,456 is: 45,523,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,872.50 : 30,348,456 = 30,348,456 : x
  2. Step 2: Convert to fraction form
    20,231,872.50/30,348,456 = 30,348,456/x
  3. Step 3: Cross multiply
    20,231,872.50x = 30,348,456 × 30,348,456
  4. Step 4: Simplify right side
    20,231,872.50x = 921,028,781,583,936
  5. Step 5: Solve for x
    x = 921,028,781,583,936/20,231,872.50
  6. Step 6: Final answer
    x = 45,523,654.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.