Home / 2,790,186.75-3,949,198.03

Finding the Third Proportional to 2,790,186.75 and 3,949,198.03

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Solution

The third proportional to 2,790,186.75 and 3,949,198.03 is: 5,589,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,186.75 : 3,949,198.03 = 3,949,198.03 : x
  2. Step 2: Convert to fraction form
    2,790,186.75/3,949,198.03 = 3,949,198.03/x
  3. Step 3: Cross multiply
    2,790,186.75x = 3,949,198.03 × 3,949,198.03
  4. Step 4: Simplify right side
    2,790,186.75x = 15,596,165,090,028.88
  5. Step 5: Solve for x
    x = 15,596,165,090,028.88/2,790,186.75
  6. Step 6: Final answer
    x = 5,589,649.18

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.