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Finding the Third Proportional to 20,235.75 and 41,274

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Solution

The third proportional to 20,235.75 and 41,274 is: 84,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.75 : 41,274 = 41,274 : x
  2. Step 2: Convert to fraction form
    20,235.75/41,274 = 41,274/x
  3. Step 3: Cross multiply
    20,235.75x = 41,274 × 41,274
  4. Step 4: Simplify right side
    20,235.75x = 1,703,543,076
  5. Step 5: Solve for x
    x = 1,703,543,076/20,235.75
  6. Step 6: Final answer
    x = 84,184.83

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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.