Home / 136,860-211,824

Finding the Third Proportional to 136,860 and 211,824

Calculator

Solution

The third proportional to 136,860 and 211,824 is: 327,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,860 : 211,824 = 211,824 : x
  2. Step 2: Convert to fraction form
    136,860/211,824 = 211,824/x
  3. Step 3: Cross multiply
    136,860x = 211,824 × 211,824
  4. Step 4: Simplify right side
    136,860x = 44,869,406,976
  5. Step 5: Solve for x
    x = 44,869,406,976/136,860
  6. Step 6: Final answer
    x = 327,848.95

Related Problems

Find third proportional to 68,430 and 105,912
Half scale
Find third proportional to 273,720 and 423,648
Double scale
Find third proportional to 136,862 and 211,827
Similar ratio
Find third proportional to 205,290 and 317,736
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.