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Finding the Third Proportional to 8,251 and 17,869

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Solution

The third proportional to 8,251 and 17,869 is: 38,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251 : 17,869 = 17,869 : x
  2. Step 2: Convert to fraction form
    8,251/17,869 = 17,869/x
  3. Step 3: Cross multiply
    8,251x = 17,869 × 17,869
  4. Step 4: Simplify right side
    8,251x = 319,301,161
  5. Step 5: Solve for x
    x = 319,301,161/8,251
  6. Step 6: Final answer
    x = 38,698.48

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.