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Finding the Third Proportional to 206,410.50 and 454,722.75

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Solution

The third proportional to 206,410.50 and 454,722.75 is: 1,001,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,410.50 : 454,722.75 = 454,722.75 : x
  2. Step 2: Convert to fraction form
    206,410.50/454,722.75 = 454,722.75/x
  3. Step 3: Cross multiply
    206,410.50x = 454,722.75 × 454,722.75
  4. Step 4: Simplify right side
    206,410.50x = 206,772,779,367.56
  5. Step 5: Solve for x
    x = 206,772,779,367.56/206,410.50
  6. Step 6: Final answer
    x = 1,001,755.14

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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.