Home / 23.38-40

Finding the Third Proportional to 23.38 and 40

Calculator

Solution

The third proportional to 23.38 and 40 is: 68.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.38 : 40 = 40 : x
  2. Step 2: Convert to fraction form
    23.38/40 = 40/x
  3. Step 3: Cross multiply
    23.38x = 40 × 40
  4. Step 4: Simplify right side
    23.38x = 1,600
  5. Step 5: Solve for x
    x = 1,600/23.38
  6. Step 6: Final answer
    x = 68.45

Related Problems

Find third proportional to 11.69 and 20
Half scale
Find third proportional to 46.75 and 80
Double scale
Find third proportional to 25 and 43
Similar ratio
Find third proportional to 35.06 and 60
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.