Home / 1,131,205.50-2,378,747.25

Finding the Third Proportional to 1,131,205.50 and 2,378,747.25

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Solution

The third proportional to 1,131,205.50 and 2,378,747.25 is: 5,002,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,205.50 : 2,378,747.25 = 2,378,747.25 : x
  2. Step 2: Convert to fraction form
    1,131,205.50/2,378,747.25 = 2,378,747.25/x
  3. Step 3: Cross multiply
    1,131,205.50x = 2,378,747.25 × 2,378,747.25
  4. Step 4: Simplify right side
    1,131,205.50x = 5,658,438,479,382.56
  5. Step 5: Solve for x
    x = 5,658,438,479,382.56/1,131,205.50
  6. Step 6: Final answer
    x = 5,002,131.34

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.