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Finding the Third Proportional to 221,826 and 313,873

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Solution

The third proportional to 221,826 and 313,873 is: 444,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,826 : 313,873 = 313,873 : x
  2. Step 2: Convert to fraction form
    221,826/313,873 = 313,873/x
  3. Step 3: Cross multiply
    221,826x = 313,873 × 313,873
  4. Step 4: Simplify right side
    221,826x = 98,516,260,129
  5. Step 5: Solve for x
    x = 98,516,260,129/221,826
  6. Step 6: Final answer
    x = 444,115.03

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.