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Finding the Third Proportional to 8,614 and 9,892

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Solution

The third proportional to 8,614 and 9,892 is: 11,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614 : 9,892 = 9,892 : x
  2. Step 2: Convert to fraction form
    8,614/9,892 = 9,892/x
  3. Step 3: Cross multiply
    8,614x = 9,892 × 9,892
  4. Step 4: Simplify right side
    8,614x = 97,851,664
  5. Step 5: Solve for x
    x = 97,851,664/8,614
  6. Step 6: Final answer
    x = 11,359.61

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.