Home / 131,942-311,153

Finding the Third Proportional to 131,942 and 311,153

Calculator

Solution

The third proportional to 131,942 and 311,153 is: 733,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,942 : 311,153 = 311,153 : x
  2. Step 2: Convert to fraction form
    131,942/311,153 = 311,153/x
  3. Step 3: Cross multiply
    131,942x = 311,153 × 311,153
  4. Step 4: Simplify right side
    131,942x = 96,816,189,409
  5. Step 5: Solve for x
    x = 96,816,189,409/131,942
  6. Step 6: Final answer
    x = 733,778.40

Related Problems

Find third proportional to 65,971 and 155,576.50
Half scale
Find third proportional to 263,884 and 622,306
Double scale
Find third proportional to 131,944 and 311,158
Similar ratio
Find third proportional to 197,913 and 466,729.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.