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Finding the Third Proportional to 380,772 and 827,193

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Solution

The third proportional to 380,772 and 827,193 is: 1,797,002.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,772 : 827,193 = 827,193 : x
  2. Step 2: Convert to fraction form
    380,772/827,193 = 827,193/x
  3. Step 3: Cross multiply
    380,772x = 827,193 × 827,193
  4. Step 4: Simplify right side
    380,772x = 684,248,259,249
  5. Step 5: Solve for x
    x = 684,248,259,249/380,772
  6. Step 6: Final answer
    x = 1,797,002.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.