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Finding the Third Proportional to 11,908 and 25,867

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Solution

The third proportional to 11,908 and 25,867 is: 56,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908 : 25,867 = 25,867 : x
  2. Step 2: Convert to fraction form
    11,908/25,867 = 25,867/x
  3. Step 3: Cross multiply
    11,908x = 25,867 × 25,867
  4. Step 4: Simplify right side
    11,908x = 669,101,689
  5. Step 5: Solve for x
    x = 669,101,689/11,908
  6. Step 6: Final answer
    x = 56,189.26

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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.