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Finding the Third Proportional to 34,812 and 86,571

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Solution

The third proportional to 34,812 and 86,571 is: 215,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,812 : 86,571 = 86,571 : x
  2. Step 2: Convert to fraction form
    34,812/86,571 = 86,571/x
  3. Step 3: Cross multiply
    34,812x = 86,571 × 86,571
  4. Step 4: Simplify right side
    34,812x = 7,494,538,041
  5. Step 5: Solve for x
    x = 7,494,538,041/34,812
  6. Step 6: Final answer
    x = 215,286.05

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.