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Finding the Third Proportional to 184,668 and 396,920

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Solution

The third proportional to 184,668 and 396,920 is: 853,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,668 : 396,920 = 396,920 : x
  2. Step 2: Convert to fraction form
    184,668/396,920 = 396,920/x
  3. Step 3: Cross multiply
    184,668x = 396,920 × 396,920
  4. Step 4: Simplify right side
    184,668x = 157,545,486,400
  5. Step 5: Solve for x
    x = 157,545,486,400/184,668
  6. Step 6: Final answer
    x = 853,128.24

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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.