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Finding the Third Proportional to 20,091.38 and 38,360.25

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Solution

The third proportional to 20,091.38 and 38,360.25 is: 73,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.38 : 38,360.25 = 38,360.25 : x
  2. Step 2: Convert to fraction form
    20,091.38/38,360.25 = 38,360.25/x
  3. Step 3: Cross multiply
    20,091.38x = 38,360.25 × 38,360.25
  4. Step 4: Simplify right side
    20,091.38x = 1,471,508,780.06
  5. Step 5: Solve for x
    x = 1,471,508,780.06/20,091.38
  6. Step 6: Final answer
    x = 73,240.82

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.