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Finding the Third Proportional to 20,080 and 43,512

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Solution

The third proportional to 20,080 and 43,512 is: 94,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080 : 43,512 = 43,512 : x
  2. Step 2: Convert to fraction form
    20,080/43,512 = 43,512/x
  3. Step 3: Cross multiply
    20,080x = 43,512 × 43,512
  4. Step 4: Simplify right side
    20,080x = 1,893,294,144
  5. Step 5: Solve for x
    x = 1,893,294,144/20,080
  6. Step 6: Final answer
    x = 94,287.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.