Home / 331-864

Finding the Third Proportional to 331 and 864

Calculator

Solution

The third proportional to 331 and 864 is: 2,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331 : 864 = 864 : x
  2. Step 2: Convert to fraction form
    331/864 = 864/x
  3. Step 3: Cross multiply
    331x = 864 × 864
  4. Step 4: Simplify right side
    331x = 746,496
  5. Step 5: Solve for x
    x = 746,496/331
  6. Step 6: Final answer
    x = 2,255.27

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.