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Finding the Third Proportional to 3,936,711.38 and 5,629,506.75

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Solution

The third proportional to 3,936,711.38 and 5,629,506.75 is: 8,050,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,711.38 : 5,629,506.75 = 5,629,506.75 : x
  2. Step 2: Convert to fraction form
    3,936,711.38/5,629,506.75 = 5,629,506.75/x
  3. Step 3: Cross multiply
    3,936,711.38x = 5,629,506.75 × 5,629,506.75
  4. Step 4: Simplify right side
    3,936,711.38x = 31,691,346,248,295.56
  5. Step 5: Solve for x
    x = 31,691,346,248,295.56/3,936,711.38
  6. Step 6: Final answer
    x = 8,050,208.21

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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.