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Finding the Third Proportional to 203,608 and 447,096

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Solution

The third proportional to 203,608 and 447,096 is: 981,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,608 : 447,096 = 447,096 : x
  2. Step 2: Convert to fraction form
    203,608/447,096 = 447,096/x
  3. Step 3: Cross multiply
    203,608x = 447,096 × 447,096
  4. Step 4: Simplify right side
    203,608x = 199,894,833,216
  5. Step 5: Solve for x
    x = 199,894,833,216/203,608
  6. Step 6: Final answer
    x = 981,763.16

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.