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Finding the Third Proportional to 9,440 and 11,982

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Solution

The third proportional to 9,440 and 11,982 is: 15,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440 : 11,982 = 11,982 : x
  2. Step 2: Convert to fraction form
    9,440/11,982 = 11,982/x
  3. Step 3: Cross multiply
    9,440x = 11,982 × 11,982
  4. Step 4: Simplify right side
    9,440x = 143,568,324
  5. Step 5: Solve for x
    x = 143,568,324/9,440
  6. Step 6: Final answer
    x = 15,208.51

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.