Home / 225.75-426.75

Finding the Third Proportional to 225.75 and 426.75

Calculator

Solution

The third proportional to 225.75 and 426.75 is: 806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.75 : 426.75 = 426.75 : x
  2. Step 2: Convert to fraction form
    225.75/426.75 = 426.75/x
  3. Step 3: Cross multiply
    225.75x = 426.75 × 426.75
  4. Step 4: Simplify right side
    225.75x = 182,115.56
  5. Step 5: Solve for x
    x = 182,115.56/225.75
  6. Step 6: Final answer
    x = 806.71

Related Problems

Find third proportional to 112.88 and 213.38
Half scale
Find third proportional to 451.50 and 853.50
Double scale
Find third proportional to 228 and 431
Similar ratio
Find third proportional to 338.63 and 640.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.