Home / 26.44-67.78

Finding the Third Proportional to 26.44 and 67.78

Calculator

Solution

The third proportional to 26.44 and 67.78 is: 173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.44 : 67.78 = 67.78 : x
  2. Step 2: Convert to fraction form
    26.44/67.78 = 67.78/x
  3. Step 3: Cross multiply
    26.44x = 67.78 × 67.78
  4. Step 4: Simplify right side
    26.44x = 4,594.30
  5. Step 5: Solve for x
    x = 4,594.30/26.44
  6. Step 6: Final answer
    x = 173.78

Related Problems

Find third proportional to 13.22 and 33.89
Half scale
Find third proportional to 52.88 and 135.56
Double scale
Find third proportional to 28 and 73
Similar ratio
Find third proportional to 39.66 and 101.67
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.