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Finding the Third Proportional to 15,672,697 and 36,876,909

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Solution

The third proportional to 15,672,697 and 36,876,909 is: 86,769,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,697 : 36,876,909 = 36,876,909 : x
  2. Step 2: Convert to fraction form
    15,672,697/36,876,909 = 36,876,909/x
  3. Step 3: Cross multiply
    15,672,697x = 36,876,909 × 36,876,909
  4. Step 4: Simplify right side
    15,672,697x = 1,359,906,417,394,281
  5. Step 5: Solve for x
    x = 1,359,906,417,394,281/15,672,697
  6. Step 6: Final answer
    x = 86,769,138.55

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.