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Finding the Third Proportional to 20,403.38 and 29,906.44

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Solution

The third proportional to 20,403.38 and 29,906.44 is: 43,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403.38 : 29,906.44 = 29,906.44 : x
  2. Step 2: Convert to fraction form
    20,403.38/29,906.44 = 29,906.44/x
  3. Step 3: Cross multiply
    20,403.38x = 29,906.44 × 29,906.44
  4. Step 4: Simplify right side
    20,403.38x = 894,395,003.94
  5. Step 5: Solve for x
    x = 894,395,003.94/20,403.38
  6. Step 6: Final answer
    x = 43,835.64

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1.5x scale

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.