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Finding the Third Proportional to 168,494 and 253,425

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Solution

The third proportional to 168,494 and 253,425 is: 381,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,494 : 253,425 = 253,425 : x
  2. Step 2: Convert to fraction form
    168,494/253,425 = 253,425/x
  3. Step 3: Cross multiply
    168,494x = 253,425 × 253,425
  4. Step 4: Simplify right side
    168,494x = 64,224,230,625
  5. Step 5: Solve for x
    x = 64,224,230,625/168,494
  6. Step 6: Final answer
    x = 381,166.28

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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.