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Finding the Third Proportional to 20,180 and 33,035

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Solution

The third proportional to 20,180 and 33,035 is: 54,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180 : 33,035 = 33,035 : x
  2. Step 2: Convert to fraction form
    20,180/33,035 = 33,035/x
  3. Step 3: Cross multiply
    20,180x = 33,035 × 33,035
  4. Step 4: Simplify right side
    20,180x = 1,091,311,225
  5. Step 5: Solve for x
    x = 1,091,311,225/20,180
  6. Step 6: Final answer
    x = 54,078.85

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.