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Finding the Third Proportional to 206,988 and 453,718

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Solution

The third proportional to 206,988 and 453,718 is: 994,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,988 : 453,718 = 453,718 : x
  2. Step 2: Convert to fraction form
    206,988/453,718 = 453,718/x
  3. Step 3: Cross multiply
    206,988x = 453,718 × 453,718
  4. Step 4: Simplify right side
    206,988x = 205,860,023,524
  5. Step 5: Solve for x
    x = 205,860,023,524/206,988
  6. Step 6: Final answer
    x = 994,550.52

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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.