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Finding the Third Proportional to 47,200.50 and 68,571

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Solution

The third proportional to 47,200.50 and 68,571 is: 99,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.50 : 68,571 = 68,571 : x
  2. Step 2: Convert to fraction form
    47,200.50/68,571 = 68,571/x
  3. Step 3: Cross multiply
    47,200.50x = 68,571 × 68,571
  4. Step 4: Simplify right side
    47,200.50x = 4,701,982,041
  5. Step 5: Solve for x
    x = 4,701,982,041/47,200.50
  6. Step 6: Final answer
    x = 99,617.21

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.