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Finding the Third Proportional to 20,403 and 29,905.88

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Solution

The third proportional to 20,403 and 29,905.88 is: 43,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403 : 29,905.88 = 29,905.88 : x
  2. Step 2: Convert to fraction form
    20,403/29,905.88 = 29,905.88/x
  3. Step 3: Cross multiply
    20,403x = 29,905.88 × 29,905.88
  4. Step 4: Simplify right side
    20,403x = 894,361,359.52
  5. Step 5: Solve for x
    x = 894,361,359.52/20,403
  6. Step 6: Final answer
    x = 43,834.80

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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.