Home / 7,986-11,289

Finding the Third Proportional to 7,986 and 11,289

Calculator

Solution

The third proportional to 7,986 and 11,289 is: 15,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986 : 11,289 = 11,289 : x
  2. Step 2: Convert to fraction form
    7,986/11,289 = 11,289/x
  3. Step 3: Cross multiply
    7,986x = 11,289 × 11,289
  4. Step 4: Simplify right side
    7,986x = 127,441,521
  5. Step 5: Solve for x
    x = 127,441,521/7,986
  6. Step 6: Final answer
    x = 15,958.12

Related Problems

Find third proportional to 3,993 and 5,644.50
Half scale
Find third proportional to 15,972 and 22,578
Double scale
Find third proportional to 7,988 and 11,292
Similar ratio
Find third proportional to 11,979 and 16,933.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.