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Finding the Third Proportional to 12,885 and 14,775

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Solution

The third proportional to 12,885 and 14,775 is: 16,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885 : 14,775 = 14,775 : x
  2. Step 2: Convert to fraction form
    12,885/14,775 = 14,775/x
  3. Step 3: Cross multiply
    12,885x = 14,775 × 14,775
  4. Step 4: Simplify right side
    12,885x = 218,300,625
  5. Step 5: Solve for x
    x = 218,300,625/12,885
  6. Step 6: Final answer
    x = 16,942.23

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.