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Finding the Third Proportional to 4,812 and 11,571

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Solution

The third proportional to 4,812 and 11,571 is: 27,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812 : 11,571 = 11,571 : x
  2. Step 2: Convert to fraction form
    4,812/11,571 = 11,571/x
  3. Step 3: Cross multiply
    4,812x = 11,571 × 11,571
  4. Step 4: Simplify right side
    4,812x = 133,888,041
  5. Step 5: Solve for x
    x = 133,888,041/4,812
  6. Step 6: Final answer
    x = 27,823.78

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.