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Finding the Third Proportional to 14,127 and 20,757

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Solution

The third proportional to 14,127 and 20,757 is: 30,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127 : 20,757 = 20,757 : x
  2. Step 2: Convert to fraction form
    14,127/20,757 = 20,757/x
  3. Step 3: Cross multiply
    14,127x = 20,757 × 20,757
  4. Step 4: Simplify right side
    14,127x = 430,853,049
  5. Step 5: Solve for x
    x = 430,853,049/14,127
  6. Step 6: Final answer
    x = 30,498.55

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.