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Finding the Third Proportional to 18,120.38 and 36,750.38

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Solution

The third proportional to 18,120.38 and 36,750.38 is: 74,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.38 : 36,750.38 = 36,750.38 : x
  2. Step 2: Convert to fraction form
    18,120.38/36,750.38 = 36,750.38/x
  3. Step 3: Cross multiply
    18,120.38x = 36,750.38 × 36,750.38
  4. Step 4: Simplify right side
    18,120.38x = 1,350,590,062.64
  5. Step 5: Solve for x
    x = 1,350,590,062.64/18,120.38
  6. Step 6: Final answer
    x = 74,534.33

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.