Home / 100,122-139,977

Finding the Third Proportional to 100,122 and 139,977

Calculator

Solution

The third proportional to 100,122 and 139,977 is: 195,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,122 : 139,977 = 139,977 : x
  2. Step 2: Convert to fraction form
    100,122/139,977 = 139,977/x
  3. Step 3: Cross multiply
    100,122x = 139,977 × 139,977
  4. Step 4: Simplify right side
    100,122x = 19,593,560,529
  5. Step 5: Solve for x
    x = 19,593,560,529/100,122
  6. Step 6: Final answer
    x = 195,696.86

Related Problems

Find third proportional to 50,061 and 69,988.50
Half scale
Find third proportional to 200,244 and 279,954
Double scale
Find third proportional to 100,124 and 139,980
Similar ratio
Find third proportional to 150,183 and 209,965.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.