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Finding the Third Proportional to 3,134,649 and 6,885,790

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Solution

The third proportional to 3,134,649 and 6,885,790 is: 15,125,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,649 : 6,885,790 = 6,885,790 : x
  2. Step 2: Convert to fraction form
    3,134,649/6,885,790 = 6,885,790/x
  3. Step 3: Cross multiply
    3,134,649x = 6,885,790 × 6,885,790
  4. Step 4: Simplify right side
    3,134,649x = 47,414,103,924,100
  5. Step 5: Solve for x
    x = 47,414,103,924,100/3,134,649
  6. Step 6: Final answer
    x = 15,125,809.60

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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.