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Finding the Third Proportional to 11,992 and 25,328

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Solution

The third proportional to 11,992 and 25,328 is: 53,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992 : 25,328 = 25,328 : x
  2. Step 2: Convert to fraction form
    11,992/25,328 = 25,328/x
  3. Step 3: Cross multiply
    11,992x = 25,328 × 25,328
  4. Step 4: Simplify right side
    11,992x = 641,507,584
  5. Step 5: Solve for x
    x = 641,507,584/11,992
  6. Step 6: Final answer
    x = 53,494.63

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.