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Finding the Third Proportional to 184,078 and 394,378

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Solution

The third proportional to 184,078 and 394,378 is: 844,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,078 : 394,378 = 394,378 : x
  2. Step 2: Convert to fraction form
    184,078/394,378 = 394,378/x
  3. Step 3: Cross multiply
    184,078x = 394,378 × 394,378
  4. Step 4: Simplify right side
    184,078x = 155,534,006,884
  5. Step 5: Solve for x
    x = 155,534,006,884/184,078
  6. Step 6: Final answer
    x = 844,935.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.