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Finding the Third Proportional to 4,542 and 9,542

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Solution

The third proportional to 4,542 and 9,542 is: 20,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542 : 9,542 = 9,542 : x
  2. Step 2: Convert to fraction form
    4,542/9,542 = 9,542/x
  3. Step 3: Cross multiply
    4,542x = 9,542 × 9,542
  4. Step 4: Simplify right side
    4,542x = 91,049,764
  5. Step 5: Solve for x
    x = 91,049,764/4,542
  6. Step 6: Final answer
    x = 20,046.18

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.