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Finding the Third Proportional to 20,331 and 32,460.75

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Solution

The third proportional to 20,331 and 32,460.75 is: 51,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331 : 32,460.75 = 32,460.75 : x
  2. Step 2: Convert to fraction form
    20,331/32,460.75 = 32,460.75/x
  3. Step 3: Cross multiply
    20,331x = 32,460.75 × 32,460.75
  4. Step 4: Simplify right side
    20,331x = 1,053,700,290.56
  5. Step 5: Solve for x
    x = 1,053,700,290.56/20,331
  6. Step 6: Final answer
    x = 51,827.27

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.