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Finding the Third Proportional to 8,448 and 12,508

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Solution

The third proportional to 8,448 and 12,508 is: 18,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448 : 12,508 = 12,508 : x
  2. Step 2: Convert to fraction form
    8,448/12,508 = 12,508/x
  3. Step 3: Cross multiply
    8,448x = 12,508 × 12,508
  4. Step 4: Simplify right side
    8,448x = 156,450,064
  5. Step 5: Solve for x
    x = 156,450,064/8,448
  6. Step 6: Final answer
    x = 18,519.18

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.