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Finding the Third Proportional to 1,161,999 and 2,517,021

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Solution

The third proportional to 1,161,999 and 2,517,021 is: 5,452,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,999 : 2,517,021 = 2,517,021 : x
  2. Step 2: Convert to fraction form
    1,161,999/2,517,021 = 2,517,021/x
  3. Step 3: Cross multiply
    1,161,999x = 2,517,021 × 2,517,021
  4. Step 4: Simplify right side
    1,161,999x = 6,335,394,714,441
  5. Step 5: Solve for x
    x = 6,335,394,714,441/1,161,999
  6. Step 6: Final answer
    x = 5,452,151.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.