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Finding the Third Proportional to 184,922 and 378,604

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Solution

The third proportional to 184,922 and 378,604 is: 775,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,922 : 378,604 = 378,604 : x
  2. Step 2: Convert to fraction form
    184,922/378,604 = 378,604/x
  3. Step 3: Cross multiply
    184,922x = 378,604 × 378,604
  4. Step 4: Simplify right side
    184,922x = 143,340,988,816
  5. Step 5: Solve for x
    x = 143,340,988,816/184,922
  6. Step 6: Final answer
    x = 775,142.97

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.