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Finding the Third Proportional to 74,898 and 160,812

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Solution

The third proportional to 74,898 and 160,812 is: 345,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,898 : 160,812 = 160,812 : x
  2. Step 2: Convert to fraction form
    74,898/160,812 = 160,812/x
  3. Step 3: Cross multiply
    74,898x = 160,812 × 160,812
  4. Step 4: Simplify right side
    74,898x = 25,860,499,344
  5. Step 5: Solve for x
    x = 25,860,499,344/74,898
  6. Step 6: Final answer
    x = 345,276.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.