Home / 131,958-311,187

Finding the Third Proportional to 131,958 and 311,187

Calculator

Solution

The third proportional to 131,958 and 311,187 is: 733,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,958 : 311,187 = 311,187 : x
  2. Step 2: Convert to fraction form
    131,958/311,187 = 311,187/x
  3. Step 3: Cross multiply
    131,958x = 311,187 × 311,187
  4. Step 4: Simplify right side
    131,958x = 96,837,348,969
  5. Step 5: Solve for x
    x = 96,837,348,969/131,958
  6. Step 6: Final answer
    x = 733,849.78

Related Problems

Find third proportional to 65,979 and 155,593.50
Half scale
Find third proportional to 263,916 and 622,374
Double scale
Find third proportional to 131,960 and 311,192
Similar ratio
Find third proportional to 197,937 and 466,780.50
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.