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Finding the Third Proportional to 7,981 and 17,193

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Solution

The third proportional to 7,981 and 17,193 is: 37,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981 : 17,193 = 17,193 : x
  2. Step 2: Convert to fraction form
    7,981/17,193 = 17,193/x
  3. Step 3: Cross multiply
    7,981x = 17,193 × 17,193
  4. Step 4: Simplify right side
    7,981x = 295,599,249
  5. Step 5: Solve for x
    x = 295,599,249/7,981
  6. Step 6: Final answer
    x = 37,037.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.