Home / 11,860-15,827

Finding the Third Proportional to 11,860 and 15,827

Calculator

Solution

The third proportional to 11,860 and 15,827 is: 21,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860 : 15,827 = 15,827 : x
  2. Step 2: Convert to fraction form
    11,860/15,827 = 15,827/x
  3. Step 3: Cross multiply
    11,860x = 15,827 × 15,827
  4. Step 4: Simplify right side
    11,860x = 250,493,929
  5. Step 5: Solve for x
    x = 250,493,929/11,860
  6. Step 6: Final answer
    x = 21,120.90

Related Problems

Find third proportional to 5,930 and 7,913.50
Half scale
Find third proportional to 23,720 and 31,654
Double scale
Find third proportional to 11,862 and 15,830
Similar ratio
Find third proportional to 17,790 and 23,740.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.