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Finding the Third Proportional to 3,936,701.88 and 5,629,490.38

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Solution

The third proportional to 3,936,701.88 and 5,629,490.38 is: 8,050,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,701.88 : 5,629,490.38 = 5,629,490.38 : x
  2. Step 2: Convert to fraction form
    3,936,701.88/5,629,490.38 = 5,629,490.38/x
  3. Step 3: Cross multiply
    3,936,701.88x = 5,629,490.38 × 5,629,490.38
  4. Step 4: Simplify right side
    3,936,701.88x = 31,691,161,882,217.64
  5. Step 5: Solve for x
    x = 31,691,161,882,217.64/3,936,701.88
  6. Step 6: Final answer
    x = 8,050,180.81

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.