Home / 33.28-53.44

Finding the Third Proportional to 33.28 and 53.44

Calculator

Solution

The third proportional to 33.28 and 53.44 is: 85.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.28 : 53.44 = 53.44 : x
  2. Step 2: Convert to fraction form
    33.28/53.44 = 53.44/x
  3. Step 3: Cross multiply
    33.28x = 53.44 × 53.44
  4. Step 4: Simplify right side
    33.28x = 2,855.57
  5. Step 5: Solve for x
    x = 2,855.57/33.28
  6. Step 6: Final answer
    x = 85.80

Related Problems

Find third proportional to 16.64 and 26.72
Half scale
Find third proportional to 66.56 and 106.88
Double scale
Find third proportional to 35 and 57
Similar ratio
Find third proportional to 49.92 and 80.16
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.