Home / 26.50-40.50

Finding the Third Proportional to 26.50 and 40.50

Calculator

Solution

The third proportional to 26.50 and 40.50 is: 61.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.50 : 40.50 = 40.50 : x
  2. Step 2: Convert to fraction form
    26.50/40.50 = 40.50/x
  3. Step 3: Cross multiply
    26.50x = 40.50 × 40.50
  4. Step 4: Simplify right side
    26.50x = 1,640.25
  5. Step 5: Solve for x
    x = 1,640.25/26.50
  6. Step 6: Final answer
    x = 61.90

Related Problems

Find third proportional to 13.25 and 20.25
Half scale
Find third proportional to 53 and 81
Double scale
Find third proportional to 29 and 44
Similar ratio
Find third proportional to 39.75 and 60.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.