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Finding the Third Proportional to 8,602 and 9,882

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Solution

The third proportional to 8,602 and 9,882 is: 11,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602 : 9,882 = 9,882 : x
  2. Step 2: Convert to fraction form
    8,602/9,882 = 9,882/x
  3. Step 3: Cross multiply
    8,602x = 9,882 × 9,882
  4. Step 4: Simplify right side
    8,602x = 97,653,924
  5. Step 5: Solve for x
    x = 97,653,924/8,602
  6. Step 6: Final answer
    x = 11,352.47

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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.