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Finding the Third Proportional to 11,871 and 26,112

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Solution

The third proportional to 11,871 and 26,112 is: 57,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871 : 26,112 = 26,112 : x
  2. Step 2: Convert to fraction form
    11,871/26,112 = 26,112/x
  3. Step 3: Cross multiply
    11,871x = 26,112 × 26,112
  4. Step 4: Simplify right side
    11,871x = 681,836,544
  5. Step 5: Solve for x
    x = 681,836,544/11,871
  6. Step 6: Final answer
    x = 57,437.16

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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.