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Finding the Third Proportional to 27,681 and 41,555

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Solution

The third proportional to 27,681 and 41,555 is: 62,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681 : 41,555 = 41,555 : x
  2. Step 2: Convert to fraction form
    27,681/41,555 = 41,555/x
  3. Step 3: Cross multiply
    27,681x = 41,555 × 41,555
  4. Step 4: Simplify right side
    27,681x = 1,726,818,025
  5. Step 5: Solve for x
    x = 1,726,818,025/27,681
  6. Step 6: Final answer
    x = 62,382.79

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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.