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Finding the Third Proportional to 20,239.88 and 41,289.75

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Solution

The third proportional to 20,239.88 and 41,289.75 is: 84,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.88 : 41,289.75 = 41,289.75 : x
  2. Step 2: Convert to fraction form
    20,239.88/41,289.75 = 41,289.75/x
  3. Step 3: Cross multiply
    20,239.88x = 41,289.75 × 41,289.75
  4. Step 4: Simplify right side
    20,239.88x = 1,704,843,455.06
  5. Step 5: Solve for x
    x = 1,704,843,455.06/20,239.88
  6. Step 6: Final answer
    x = 84,231.92

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.