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Finding the Third Proportional to 184,744 and 397,976

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Solution

The third proportional to 184,744 and 397,976 is: 857,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,744 : 397,976 = 397,976 : x
  2. Step 2: Convert to fraction form
    184,744/397,976 = 397,976/x
  3. Step 3: Cross multiply
    184,744x = 397,976 × 397,976
  4. Step 4: Simplify right side
    184,744x = 158,384,896,576
  5. Step 5: Solve for x
    x = 158,384,896,576/184,744
  6. Step 6: Final answer
    x = 857,320.92

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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.