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Finding the Third Proportional to 218,087 and 444,193

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Solution

The third proportional to 218,087 and 444,193 is: 904,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,087 : 444,193 = 444,193 : x
  2. Step 2: Convert to fraction form
    218,087/444,193 = 444,193/x
  3. Step 3: Cross multiply
    218,087x = 444,193 × 444,193
  4. Step 4: Simplify right side
    218,087x = 197,307,421,249
  5. Step 5: Solve for x
    x = 197,307,421,249/218,087
  6. Step 6: Final answer
    x = 904,718.86

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.