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Finding the Third Proportional to 20,425,400 and 31,627,344

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Solution

The third proportional to 20,425,400 and 31,627,344 is: 48,972,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,425,400 : 31,627,344 = 31,627,344 : x
  2. Step 2: Convert to fraction form
    20,425,400/31,627,344 = 31,627,344/x
  3. Step 3: Cross multiply
    20,425,400x = 31,627,344 × 31,627,344
  4. Step 4: Simplify right side
    20,425,400x = 1,000,288,888,494,336
  5. Step 5: Solve for x
    x = 1,000,288,888,494,336/20,425,400
  6. Step 6: Final answer
    x = 48,972,793.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.