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Finding the Third Proportional to 17,171 and 36,217.75

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Solution

The third proportional to 17,171 and 36,217.75 is: 76,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171 : 36,217.75 = 36,217.75 : x
  2. Step 2: Convert to fraction form
    17,171/36,217.75 = 36,217.75/x
  3. Step 3: Cross multiply
    17,171x = 36,217.75 × 36,217.75
  4. Step 4: Simplify right side
    17,171x = 1,311,725,415.06
  5. Step 5: Solve for x
    x = 1,311,725,415.06/17,171
  6. Step 6: Final answer
    x = 76,391.91

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.