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Finding the Third Proportional to 9,249.19 and 11,851.31

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Solution

The third proportional to 9,249.19 and 11,851.31 is: 15,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.19 : 11,851.31 = 11,851.31 : x
  2. Step 2: Convert to fraction form
    9,249.19/11,851.31 = 11,851.31/x
  3. Step 3: Cross multiply
    9,249.19x = 11,851.31 × 11,851.31
  4. Step 4: Simplify right side
    9,249.19x = 140,453,607.97
  5. Step 5: Solve for x
    x = 140,453,607.97/9,249.19
  6. Step 6: Final answer
    x = 15,185.51

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.