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Finding the Third Proportional to 8,332 and 13,286

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Solution

The third proportional to 8,332 and 13,286 is: 21,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332 : 13,286 = 13,286 : x
  2. Step 2: Convert to fraction form
    8,332/13,286 = 13,286/x
  3. Step 3: Cross multiply
    8,332x = 13,286 × 13,286
  4. Step 4: Simplify right side
    8,332x = 176,517,796
  5. Step 5: Solve for x
    x = 176,517,796/8,332
  6. Step 6: Final answer
    x = 21,185.53

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.