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Finding the Third Proportional to 20,388.38 and 29,795.81

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Solution

The third proportional to 20,388.38 and 29,795.81 is: 43,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,388.38 : 29,795.81 = 29,795.81 : x
  2. Step 2: Convert to fraction form
    20,388.38/29,795.81 = 29,795.81/x
  3. Step 3: Cross multiply
    20,388.38x = 29,795.81 × 29,795.81
  4. Step 4: Simplify right side
    20,388.38x = 887,790,442.54
  5. Step 5: Solve for x
    x = 887,790,442.54/20,388.38
  6. Step 6: Final answer
    x = 43,543.95

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.