Home / 34-38

Finding the Third Proportional to 34 and 38

Calculator

Solution

The third proportional to 34 and 38 is: 42.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34 : 38 = 38 : x
  2. Step 2: Convert to fraction form
    34/38 = 38/x
  3. Step 3: Cross multiply
    34x = 38 × 38
  4. Step 4: Simplify right side
    34x = 1,444
  5. Step 5: Solve for x
    x = 1,444/34
  6. Step 6: Final answer
    x = 42.47

Related Problems

Find third proportional to 17 and 19
Half scale
Find third proportional to 68 and 76
Double scale
Find third proportional to 36 and 40
Similar ratio
Find third proportional to 51 and 57
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.