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Finding the Third Proportional to 206,456 and 452,256

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Solution

The third proportional to 206,456 and 452,256 is: 990,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,456 : 452,256 = 452,256 : x
  2. Step 2: Convert to fraction form
    206,456/452,256 = 452,256/x
  3. Step 3: Cross multiply
    206,456x = 452,256 × 452,256
  4. Step 4: Simplify right side
    206,456x = 204,535,489,536
  5. Step 5: Solve for x
    x = 204,535,489,536/206,456
  6. Step 6: Final answer
    x = 990,697.73

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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.