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Finding the Third Proportional to 18,182 and 25,721

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Solution

The third proportional to 18,182 and 25,721 is: 36,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182 : 25,721 = 25,721 : x
  2. Step 2: Convert to fraction form
    18,182/25,721 = 25,721/x
  3. Step 3: Cross multiply
    18,182x = 25,721 × 25,721
  4. Step 4: Simplify right side
    18,182x = 661,569,841
  5. Step 5: Solve for x
    x = 661,569,841/18,182
  6. Step 6: Final answer
    x = 36,385.98

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.