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Finding the Third Proportional to 11,926 and 26,186

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Solution

The third proportional to 11,926 and 26,186 is: 57,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926 : 26,186 = 26,186 : x
  2. Step 2: Convert to fraction form
    11,926/26,186 = 26,186/x
  3. Step 3: Cross multiply
    11,926x = 26,186 × 26,186
  4. Step 4: Simplify right side
    11,926x = 685,706,596
  5. Step 5: Solve for x
    x = 685,706,596/11,926
  6. Step 6: Final answer
    x = 57,496.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.