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Finding the Third Proportional to 8,346 and 12,474

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Solution

The third proportional to 8,346 and 12,474 is: 18,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346 : 12,474 = 12,474 : x
  2. Step 2: Convert to fraction form
    8,346/12,474 = 12,474/x
  3. Step 3: Cross multiply
    8,346x = 12,474 × 12,474
  4. Step 4: Simplify right side
    8,346x = 155,600,676
  5. Step 5: Solve for x
    x = 155,600,676/8,346
  6. Step 6: Final answer
    x = 18,643.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.