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Finding the Third Proportional to 825,636 and 1,818,879

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Solution

The third proportional to 825,636 and 1,818,879 is: 4,006,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,636 : 1,818,879 = 1,818,879 : x
  2. Step 2: Convert to fraction form
    825,636/1,818,879 = 1,818,879/x
  3. Step 3: Cross multiply
    825,636x = 1,818,879 × 1,818,879
  4. Step 4: Simplify right side
    825,636x = 3,308,320,816,641
  5. Step 5: Solve for x
    x = 3,308,320,816,641/825,636
  6. Step 6: Final answer
    x = 4,006,996.81

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