Home / 28.75-38.38

Finding the Third Proportional to 28.75 and 38.38

Calculator

Solution

The third proportional to 28.75 and 38.38 is: 51.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.75 : 38.38 = 38.38 : x
  2. Step 2: Convert to fraction form
    28.75/38.38 = 38.38/x
  3. Step 3: Cross multiply
    28.75x = 38.38 × 38.38
  4. Step 4: Simplify right side
    28.75x = 1,472.64
  5. Step 5: Solve for x
    x = 1,472.64/28.75
  6. Step 6: Final answer
    x = 51.22

Related Problems

Find third proportional to 14.38 and 19.19
Half scale
Find third proportional to 57.50 and 76.75
Double scale
Find third proportional to 31 and 41
Similar ratio
Find third proportional to 43.13 and 57.56
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.