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Finding the Third Proportional to 8,927 and 13,868

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Solution

The third proportional to 8,927 and 13,868 is: 21,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927 : 13,868 = 13,868 : x
  2. Step 2: Convert to fraction form
    8,927/13,868 = 13,868/x
  3. Step 3: Cross multiply
    8,927x = 13,868 × 13,868
  4. Step 4: Simplify right side
    8,927x = 192,321,424
  5. Step 5: Solve for x
    x = 192,321,424/8,927
  6. Step 6: Final answer
    x = 21,543.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.