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Finding the Third Proportional to 827,151.75 and 1,821,917.25

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Solution

The third proportional to 827,151.75 and 1,821,917.25 is: 4,013,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,151.75 : 1,821,917.25 = 1,821,917.25 : x
  2. Step 2: Convert to fraction form
    827,151.75/1,821,917.25 = 1,821,917.25/x
  3. Step 3: Cross multiply
    827,151.75x = 1,821,917.25 × 1,821,917.25
  4. Step 4: Simplify right side
    827,151.75x = 3,319,382,465,847.56
  5. Step 5: Solve for x
    x = 3,319,382,465,847.56/827,151.75
  6. Step 6: Final answer
    x = 4,013,027.19

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.