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Finding the Third Proportional to 455,567 and 996,930

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Solution

The third proportional to 455,567 and 996,930 is: 2,181,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,567 : 996,930 = 996,930 : x
  2. Step 2: Convert to fraction form
    455,567/996,930 = 996,930/x
  3. Step 3: Cross multiply
    455,567x = 996,930 × 996,930
  4. Step 4: Simplify right side
    455,567x = 993,869,424,900
  5. Step 5: Solve for x
    x = 993,869,424,900/455,567
  6. Step 6: Final answer
    x = 2,181,609.78

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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.