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Finding the Third Proportional to 43,100 and 66,571

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Solution

The third proportional to 43,100 and 66,571 is: 102,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,100 : 66,571 = 66,571 : x
  2. Step 2: Convert to fraction form
    43,100/66,571 = 66,571/x
  3. Step 3: Cross multiply
    43,100x = 66,571 × 66,571
  4. Step 4: Simplify right side
    43,100x = 4,431,698,041
  5. Step 5: Solve for x
    x = 4,431,698,041/43,100
  6. Step 6: Final answer
    x = 102,823.62

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.