Home / 92.81-140.91

Finding the Third Proportional to 92.81 and 140.91

Calculator

Solution

The third proportional to 92.81 and 140.91 is: 213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.81 : 140.91 = 140.91 : x
  2. Step 2: Convert to fraction form
    92.81/140.91 = 140.91/x
  3. Step 3: Cross multiply
    92.81x = 140.91 × 140.91
  4. Step 4: Simplify right side
    92.81x = 19,854.57
  5. Step 5: Solve for x
    x = 19,854.57/92.81
  6. Step 6: Final answer
    x = 213.92

Related Problems

Find third proportional to 46.41 and 70.45
Half scale
Find third proportional to 185.63 and 281.81
Double scale
Find third proportional to 95 and 144
Similar ratio
Find third proportional to 139.22 and 211.36
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.