Home / 2,140,958.25-3,131,065.13

Finding the Third Proportional to 2,140,958.25 and 3,131,065.13

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Solution

The third proportional to 2,140,958.25 and 3,131,065.13 is: 4,579,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,958.25 : 3,131,065.13 = 3,131,065.13 : x
  2. Step 2: Convert to fraction form
    2,140,958.25/3,131,065.13 = 3,131,065.13/x
  3. Step 3: Cross multiply
    2,140,958.25x = 3,131,065.13 × 3,131,065.13
  4. Step 4: Simplify right side
    2,140,958.25x = 9,803,568,816,991.27
  5. Step 5: Solve for x
    x = 9,803,568,816,991.27/2,140,958.25
  6. Step 6: Final answer
    x = 4,579,056.51

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.