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Finding the Third Proportional to 168,826 and 394,416

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Solution

The third proportional to 168,826 and 394,416 is: 921,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,826 : 394,416 = 394,416 : x
  2. Step 2: Convert to fraction form
    168,826/394,416 = 394,416/x
  3. Step 3: Cross multiply
    168,826x = 394,416 × 394,416
  4. Step 4: Simplify right side
    168,826x = 155,563,981,056
  5. Step 5: Solve for x
    x = 155,563,981,056/168,826
  6. Step 6: Final answer
    x = 921,445.64

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.