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Finding the Third Proportional to 3,981.38 and 6,177.38

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Solution

The third proportional to 3,981.38 and 6,177.38 is: 9,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.38 : 6,177.38 = 6,177.38 : x
  2. Step 2: Convert to fraction form
    3,981.38/6,177.38 = 6,177.38/x
  3. Step 3: Cross multiply
    3,981.38x = 6,177.38 × 6,177.38
  4. Step 4: Simplify right side
    3,981.38x = 38,159,961.89
  5. Step 5: Solve for x
    x = 38,159,961.89/3,981.38
  6. Step 6: Final answer
    x = 9,584.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.