Home / 131,910-311,079

Finding the Third Proportional to 131,910 and 311,079

Calculator

Solution

The third proportional to 131,910 and 311,079 is: 733,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,910 : 311,079 = 311,079 : x
  2. Step 2: Convert to fraction form
    131,910/311,079 = 311,079/x
  3. Step 3: Cross multiply
    131,910x = 311,079 × 311,079
  4. Step 4: Simplify right side
    131,910x = 96,770,144,241
  5. Step 5: Solve for x
    x = 96,770,144,241/131,910
  6. Step 6: Final answer
    x = 733,607.34

Related Problems

Find third proportional to 65,955 and 155,539.50
Half scale
Find third proportional to 263,820 and 622,158
Double scale
Find third proportional to 131,912 and 311,084
Similar ratio
Find third proportional to 197,865 and 466,618.50
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.