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Finding the Third Proportional to 17,871.75 and 36,240.75

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Solution

The third proportional to 17,871.75 and 36,240.75 is: 73,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.75 : 36,240.75 = 36,240.75 : x
  2. Step 2: Convert to fraction form
    17,871.75/36,240.75 = 36,240.75/x
  3. Step 3: Cross multiply
    17,871.75x = 36,240.75 × 36,240.75
  4. Step 4: Simplify right side
    17,871.75x = 1,313,391,960.56
  5. Step 5: Solve for x
    x = 1,313,391,960.56/17,871.75
  6. Step 6: Final answer
    x = 73,489.84

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.