Home / 2-3.61

Finding the Third Proportional to 2 and 3.61

Calculator

Solution

The third proportional to 2 and 3.61 is: 6.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2 : 3.61 = 3.61 : x
  2. Step 2: Convert to fraction form
    2/3.61 = 3.61/x
  3. Step 3: Cross multiply
    2x = 3.61 × 3.61
  4. Step 4: Simplify right side
    2x = 13.03
  5. Step 5: Solve for x
    x = 13.03/2
  6. Step 6: Final answer
    x = 6.51

Related Problems

Find third proportional to 1 and 1.80
Half scale
Find third proportional to 4 and 7.22
Double scale
Find third proportional to 4 and 7
Similar ratio
Find third proportional to 3 and 5.41
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.