Home / 3,908-7,936

Finding the Third Proportional to 3,908 and 7,936

Calculator

Solution

The third proportional to 3,908 and 7,936 is: 16,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908 : 7,936 = 7,936 : x
  2. Step 2: Convert to fraction form
    3,908/7,936 = 7,936/x
  3. Step 3: Cross multiply
    3,908x = 7,936 × 7,936
  4. Step 4: Simplify right side
    3,908x = 62,980,096
  5. Step 5: Solve for x
    x = 62,980,096/3,908
  6. Step 6: Final answer
    x = 16,115.68

Related Problems

Find third proportional to 1,954 and 3,968
Half scale
Find third proportional to 7,816 and 15,872
Double scale
Find third proportional to 3,910 and 7,940
Similar ratio
Find third proportional to 5,862 and 11,904
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.