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Finding the Third Proportional to 20,860,878 and 32,273,649

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Solution

The third proportional to 20,860,878 and 32,273,649 is: 49,930,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860,878 : 32,273,649 = 32,273,649 : x
  2. Step 2: Convert to fraction form
    20,860,878/32,273,649 = 32,273,649/x
  3. Step 3: Cross multiply
    20,860,878x = 32,273,649 × 32,273,649
  4. Step 4: Simplify right side
    20,860,878x = 1,041,588,419,775,201
  5. Step 5: Solve for x
    x = 1,041,588,419,775,201/20,860,878
  6. Step 6: Final answer
    x = 49,930,229.20

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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.