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Finding the Third Proportional to 11,418 and 17,542

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Solution

The third proportional to 11,418 and 17,542 is: 26,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418 : 17,542 = 17,542 : x
  2. Step 2: Convert to fraction form
    11,418/17,542 = 17,542/x
  3. Step 3: Cross multiply
    11,418x = 17,542 × 17,542
  4. Step 4: Simplify right side
    11,418x = 307,721,764
  5. Step 5: Solve for x
    x = 307,721,764/11,418
  6. Step 6: Final answer
    x = 26,950.58

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.