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Finding the Third Proportional to 8,374 and 15,494

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Solution

The third proportional to 8,374 and 15,494 is: 28,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374 : 15,494 = 15,494 : x
  2. Step 2: Convert to fraction form
    8,374/15,494 = 15,494/x
  3. Step 3: Cross multiply
    8,374x = 15,494 × 15,494
  4. Step 4: Simplify right side
    8,374x = 240,064,036
  5. Step 5: Solve for x
    x = 240,064,036/8,374
  6. Step 6: Final answer
    x = 28,667.79

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.