Home / 40.75-61

Finding the Third Proportional to 40.75 and 61

Calculator

Solution

The third proportional to 40.75 and 61 is: 91.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.75 : 61 = 61 : x
  2. Step 2: Convert to fraction form
    40.75/61 = 61/x
  3. Step 3: Cross multiply
    40.75x = 61 × 61
  4. Step 4: Simplify right side
    40.75x = 3,721
  5. Step 5: Solve for x
    x = 3,721/40.75
  6. Step 6: Final answer
    x = 91.31

Related Problems

Find third proportional to 20.38 and 30.50
Half scale
Find third proportional to 81.50 and 122
Double scale
Find third proportional to 43 and 64
Similar ratio
Find third proportional to 61.13 and 91.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.