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Finding the Third Proportional to 57,772,098 and 126,879,876

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Solution

The third proportional to 57,772,098 and 126,879,876 is: 278,655,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772,098 : 126,879,876 = 126,879,876 : x
  2. Step 2: Convert to fraction form
    57,772,098/126,879,876 = 126,879,876/x
  3. Step 3: Cross multiply
    57,772,098x = 126,879,876 × 126,879,876
  4. Step 4: Simplify right side
    57,772,098x = 16,098,502,933,775,376
  5. Step 5: Solve for x
    x = 16,098,502,933,775,376/57,772,098
  6. Step 6: Final answer
    x = 278,655,328.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.