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Finding the Third Proportional to 457,764 and 996,866

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Solution

The third proportional to 457,764 and 996,866 is: 2,170,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,764 : 996,866 = 996,866 : x
  2. Step 2: Convert to fraction form
    457,764/996,866 = 996,866/x
  3. Step 3: Cross multiply
    457,764x = 996,866 × 996,866
  4. Step 4: Simplify right side
    457,764x = 993,741,821,956
  5. Step 5: Solve for x
    x = 993,741,821,956/457,764
  6. Step 6: Final answer
    x = 2,170,860.58

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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.