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Finding the Third Proportional to 1,279,786.50 and 2,800,629

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Solution

The third proportional to 1,279,786.50 and 2,800,629 is: 6,128,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,786.50 : 2,800,629 = 2,800,629 : x
  2. Step 2: Convert to fraction form
    1,279,786.50/2,800,629 = 2,800,629/x
  3. Step 3: Cross multiply
    1,279,786.50x = 2,800,629 × 2,800,629
  4. Step 4: Simplify right side
    1,279,786.50x = 7,843,522,795,641
  5. Step 5: Solve for x
    x = 7,843,522,795,641/1,279,786.50
  6. Step 6: Final answer
    x = 6,128,774.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.