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Finding the Third Proportional to 8,726 and 9,542

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Solution

The third proportional to 8,726 and 9,542 is: 10,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726 : 9,542 = 9,542 : x
  2. Step 2: Convert to fraction form
    8,726/9,542 = 9,542/x
  3. Step 3: Cross multiply
    8,726x = 9,542 × 9,542
  4. Step 4: Simplify right side
    8,726x = 91,049,764
  5. Step 5: Solve for x
    x = 91,049,764/8,726
  6. Step 6: Final answer
    x = 10,434.31

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.