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Finding the Third Proportional to 20,829.66 and 33,542.86

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Solution

The third proportional to 20,829.66 and 33,542.86 is: 54,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829.66 : 33,542.86 = 33,542.86 : x
  2. Step 2: Convert to fraction form
    20,829.66/33,542.86 = 33,542.86/x
  3. Step 3: Cross multiply
    20,829.66x = 33,542.86 × 33,542.86
  4. Step 4: Simplify right side
    20,829.66x = 1,125,123,415.05
  5. Step 5: Solve for x
    x = 1,125,123,415.05/20,829.66
  6. Step 6: Final answer
    x = 54,015.46

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.