Home / 62.44-86.91

Finding the Third Proportional to 62.44 and 86.91

Calculator

Solution

The third proportional to 62.44 and 86.91 is: 120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.44 : 86.91 = 86.91 : x
  2. Step 2: Convert to fraction form
    62.44/86.91 = 86.91/x
  3. Step 3: Cross multiply
    62.44x = 86.91 × 86.91
  4. Step 4: Simplify right side
    62.44x = 7,552.70
  5. Step 5: Solve for x
    x = 7,552.70/62.44
  6. Step 6: Final answer
    x = 120.96

Related Problems

Find third proportional to 31.22 and 43.45
Half scale
Find third proportional to 124.88 and 173.81
Double scale
Find third proportional to 64 and 90
Similar ratio
Find third proportional to 93.66 and 130.36
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.