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Finding the Third Proportional to 8,313 and 12,441

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Solution

The third proportional to 8,313 and 12,441 is: 18,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313 : 12,441 = 12,441 : x
  2. Step 2: Convert to fraction form
    8,313/12,441 = 12,441/x
  3. Step 3: Cross multiply
    8,313x = 12,441 × 12,441
  4. Step 4: Simplify right side
    8,313x = 154,778,481
  5. Step 5: Solve for x
    x = 154,778,481/8,313
  6. Step 6: Final answer
    x = 18,618.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.