Home / 7,949-11,915

Finding the Third Proportional to 7,949 and 11,915

Calculator

Solution

The third proportional to 7,949 and 11,915 is: 17,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949 : 11,915 = 11,915 : x
  2. Step 2: Convert to fraction form
    7,949/11,915 = 11,915/x
  3. Step 3: Cross multiply
    7,949x = 11,915 × 11,915
  4. Step 4: Simplify right side
    7,949x = 141,967,225
  5. Step 5: Solve for x
    x = 141,967,225/7,949
  6. Step 6: Final answer
    x = 17,859.76

Related Problems

Find third proportional to 3,974.50 and 5,957.50
Half scale
Find third proportional to 15,898 and 23,830
Double scale
Find third proportional to 7,951 and 11,918
Similar ratio
Find third proportional to 11,923.50 and 17,872.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.