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Finding the Third Proportional to 11,887 and 16,980

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Solution

The third proportional to 11,887 and 16,980 is: 24,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887 : 16,980 = 16,980 : x
  2. Step 2: Convert to fraction form
    11,887/16,980 = 16,980/x
  3. Step 3: Cross multiply
    11,887x = 16,980 × 16,980
  4. Step 4: Simplify right side
    11,887x = 288,320,400
  5. Step 5: Solve for x
    x = 288,320,400/11,887
  6. Step 6: Final answer
    x = 24,255.10

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.