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Finding the Third Proportional to 47,474 and 66,792

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Solution

The third proportional to 47,474 and 66,792 is: 93,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,474 : 66,792 = 66,792 : x
  2. Step 2: Convert to fraction form
    47,474/66,792 = 66,792/x
  3. Step 3: Cross multiply
    47,474x = 66,792 × 66,792
  4. Step 4: Simplify right side
    47,474x = 4,461,171,264
  5. Step 5: Solve for x
    x = 4,461,171,264/47,474
  6. Step 6: Final answer
    x = 93,970.83

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.