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Finding the Third Proportional to 4,001.91 and 6,278.13

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Solution

The third proportional to 4,001.91 and 6,278.13 is: 9,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.91 : 6,278.13 = 6,278.13 : x
  2. Step 2: Convert to fraction form
    4,001.91/6,278.13 = 6,278.13/x
  3. Step 3: Cross multiply
    4,001.91x = 6,278.13 × 6,278.13
  4. Step 4: Simplify right side
    4,001.91x = 39,414,951.61
  5. Step 5: Solve for x
    x = 39,414,951.61/4,001.91
  6. Step 6: Final answer
    x = 9,849.04

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.