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Finding the Third Proportional to 998,879.25 and 2,157,367.50

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Solution

The third proportional to 998,879.25 and 2,157,367.50 is: 4,659,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,879.25 : 2,157,367.50 = 2,157,367.50 : x
  2. Step 2: Convert to fraction form
    998,879.25/2,157,367.50 = 2,157,367.50/x
  3. Step 3: Cross multiply
    998,879.25x = 2,157,367.50 × 2,157,367.50
  4. Step 4: Simplify right side
    998,879.25x = 4,654,234,530,056.25
  5. Step 5: Solve for x
    x = 4,654,234,530,056.25/998,879.25
  6. Step 6: Final answer
    x = 4,659,456.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.