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Finding the Third Proportional to 3,451,939 and 5,177,908

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Solution

The third proportional to 3,451,939 and 5,177,908 is: 7,766,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,939 : 5,177,908 = 5,177,908 : x
  2. Step 2: Convert to fraction form
    3,451,939/5,177,908 = 5,177,908/x
  3. Step 3: Cross multiply
    3,451,939x = 5,177,908 × 5,177,908
  4. Step 4: Simplify right side
    3,451,939x = 26,810,731,256,464
  5. Step 5: Solve for x
    x = 26,810,731,256,464/3,451,939
  6. Step 6: Final answer
    x = 7,766,861.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.