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Finding the Third Proportional to 168,988 and 252,976

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Solution

The third proportional to 168,988 and 252,976 is: 378,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,988 : 252,976 = 252,976 : x
  2. Step 2: Convert to fraction form
    168,988/252,976 = 252,976/x
  3. Step 3: Cross multiply
    168,988x = 252,976 × 252,976
  4. Step 4: Simplify right side
    168,988x = 63,996,856,576
  5. Step 5: Solve for x
    x = 63,996,856,576/168,988
  6. Step 6: Final answer
    x = 378,706.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.