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Finding the Third Proportional to 8,374 and 11,482

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Solution

The third proportional to 8,374 and 11,482 is: 15,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374 : 11,482 = 11,482 : x
  2. Step 2: Convert to fraction form
    8,374/11,482 = 11,482/x
  3. Step 3: Cross multiply
    8,374x = 11,482 × 11,482
  4. Step 4: Simplify right side
    8,374x = 131,836,324
  5. Step 5: Solve for x
    x = 131,836,324/8,374
  6. Step 6: Final answer
    x = 15,743.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.