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Finding the Third Proportional to 15,672,649 and 36,876,789

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Solution

The third proportional to 15,672,649 and 36,876,789 is: 86,768,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,649 : 36,876,789 = 36,876,789 : x
  2. Step 2: Convert to fraction form
    15,672,649/36,876,789 = 36,876,789/x
  3. Step 3: Cross multiply
    15,672,649x = 36,876,789 × 36,876,789
  4. Step 4: Simplify right side
    15,672,649x = 1,359,897,566,950,521
  5. Step 5: Solve for x
    x = 1,359,897,566,950,521/15,672,649
  6. Step 6: Final answer
    x = 86,768,839.58

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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.