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Finding the Third Proportional to 10,872 and 16,580

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Solution

The third proportional to 10,872 and 16,580 is: 25,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872 : 16,580 = 16,580 : x
  2. Step 2: Convert to fraction form
    10,872/16,580 = 16,580/x
  3. Step 3: Cross multiply
    10,872x = 16,580 × 16,580
  4. Step 4: Simplify right side
    10,872x = 274,896,400
  5. Step 5: Solve for x
    x = 274,896,400/10,872
  6. Step 6: Final answer
    x = 25,284.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.