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Finding the Third Proportional to 206,313.75 and 451,993.50

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Solution

The third proportional to 206,313.75 and 451,993.50 is: 990,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,313.75 : 451,993.50 = 451,993.50 : x
  2. Step 2: Convert to fraction form
    206,313.75/451,993.50 = 451,993.50/x
  3. Step 3: Cross multiply
    206,313.75x = 451,993.50 × 451,993.50
  4. Step 4: Simplify right side
    206,313.75x = 204,298,124,042.25
  5. Step 5: Solve for x
    x = 204,298,124,042.25/206,313.75
  6. Step 6: Final answer
    x = 990,230.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.