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Finding the Third Proportional to 8,286 and 15,744

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Solution

The third proportional to 8,286 and 15,744 is: 29,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286 : 15,744 = 15,744 : x
  2. Step 2: Convert to fraction form
    8,286/15,744 = 15,744/x
  3. Step 3: Cross multiply
    8,286x = 15,744 × 15,744
  4. Step 4: Simplify right side
    8,286x = 247,873,536
  5. Step 5: Solve for x
    x = 247,873,536/8,286
  6. Step 6: Final answer
    x = 29,914.74

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.