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Finding the Third Proportional to 8,201,857.50 and 18,987,959.25

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Solution

The third proportional to 8,201,857.50 and 18,987,959.25 is: 43,958,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,857.50 : 18,987,959.25 = 18,987,959.25 : x
  2. Step 2: Convert to fraction form
    8,201,857.50/18,987,959.25 = 18,987,959.25/x
  3. Step 3: Cross multiply
    8,201,857.50x = 18,987,959.25 × 18,987,959.25
  4. Step 4: Simplify right side
    8,201,857.50x = 360,542,596,479,660.56
  5. Step 5: Solve for x
    x = 360,542,596,479,660.56/8,201,857.50
  6. Step 6: Final answer
    x = 43,958,651.62

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.