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Finding the Third Proportional to 8,558 and 12,802

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Solution

The third proportional to 8,558 and 12,802 is: 19,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558 : 12,802 = 12,802 : x
  2. Step 2: Convert to fraction form
    8,558/12,802 = 12,802/x
  3. Step 3: Cross multiply
    8,558x = 12,802 × 12,802
  4. Step 4: Simplify right side
    8,558x = 163,891,204
  5. Step 5: Solve for x
    x = 163,891,204/8,558
  6. Step 6: Final answer
    x = 19,150.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.