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Finding the Third Proportional to 206,556.75 and 451,021.50

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Solution

The third proportional to 206,556.75 and 451,021.50 is: 984,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,556.75 : 451,021.50 = 451,021.50 : x
  2. Step 2: Convert to fraction form
    206,556.75/451,021.50 = 451,021.50/x
  3. Step 3: Cross multiply
    206,556.75x = 451,021.50 × 451,021.50
  4. Step 4: Simplify right side
    206,556.75x = 203,420,393,462.25
  5. Step 5: Solve for x
    x = 203,420,393,462.25/206,556.75
  6. Step 6: Final answer
    x = 984,816.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.