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Finding the Third Proportional to 220,385.63 and 327,338.44

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Solution

The third proportional to 220,385.63 and 327,338.44 is: 486,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,385.63 : 327,338.44 = 327,338.44 : x
  2. Step 2: Convert to fraction form
    220,385.63/327,338.44 = 327,338.44/x
  3. Step 3: Cross multiply
    220,385.63x = 327,338.44 × 327,338.44
  4. Step 4: Simplify right side
    220,385.63x = 107,150,452,664.94
  5. Step 5: Solve for x
    x = 107,150,452,664.94/220,385.63
  6. Step 6: Final answer
    x = 486,195.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.