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Finding the Third Proportional to 3,816,668.25 and 8,231,208.75

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Solution

The third proportional to 3,816,668.25 and 8,231,208.75 is: 17,751,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816,668.25 : 8,231,208.75 = 8,231,208.75 : x
  2. Step 2: Convert to fraction form
    3,816,668.25/8,231,208.75 = 8,231,208.75/x
  3. Step 3: Cross multiply
    3,816,668.25x = 8,231,208.75 × 8,231,208.75
  4. Step 4: Simplify right side
    3,816,668.25x = 67,752,797,486,076.56
  5. Step 5: Solve for x
    x = 67,752,797,486,076.56/3,816,668.25
  6. Step 6: Final answer
    x = 17,751,817.30

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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.