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Finding the Third Proportional to 184,469 and 396,960

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Solution

The third proportional to 184,469 and 396,960 is: 854,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,469 : 396,960 = 396,960 : x
  2. Step 2: Convert to fraction form
    184,469/396,960 = 396,960/x
  3. Step 3: Cross multiply
    184,469x = 396,960 × 396,960
  4. Step 4: Simplify right side
    184,469x = 157,577,241,600
  5. Step 5: Solve for x
    x = 157,577,241,600/184,469
  6. Step 6: Final answer
    x = 854,220.72

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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.