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Finding the Third Proportional to 20,340 and 29,850

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Solution

The third proportional to 20,340 and 29,850 is: 43,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,340 : 29,850 = 29,850 : x
  2. Step 2: Convert to fraction form
    20,340/29,850 = 29,850/x
  3. Step 3: Cross multiply
    20,340x = 29,850 × 29,850
  4. Step 4: Simplify right side
    20,340x = 891,022,500
  5. Step 5: Solve for x
    x = 891,022,500/20,340
  6. Step 6: Final answer
    x = 43,806.42

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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.