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Finding the Third Proportional to 20,482 and 43,443

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Solution

The third proportional to 20,482 and 43,443 is: 92,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482 : 43,443 = 43,443 : x
  2. Step 2: Convert to fraction form
    20,482/43,443 = 43,443/x
  3. Step 3: Cross multiply
    20,482x = 43,443 × 43,443
  4. Step 4: Simplify right side
    20,482x = 1,887,294,249
  5. Step 5: Solve for x
    x = 1,887,294,249/20,482
  6. Step 6: Final answer
    x = 92,144.04

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.