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Finding the Third Proportional to 184,809 and 397,225

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Solution

The third proportional to 184,809 and 397,225 is: 853,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,809 : 397,225 = 397,225 : x
  2. Step 2: Convert to fraction form
    184,809/397,225 = 397,225/x
  3. Step 3: Cross multiply
    184,809x = 397,225 × 397,225
  4. Step 4: Simplify right side
    184,809x = 157,787,700,625
  5. Step 5: Solve for x
    x = 157,787,700,625/184,809
  6. Step 6: Final answer
    x = 853,787.97

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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.