Home / 131,318-191,234

Finding the Third Proportional to 131,318 and 191,234

Calculator

Solution

The third proportional to 131,318 and 191,234 is: 278,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,318 : 191,234 = 191,234 : x
  2. Step 2: Convert to fraction form
    131,318/191,234 = 191,234/x
  3. Step 3: Cross multiply
    131,318x = 191,234 × 191,234
  4. Step 4: Simplify right side
    131,318x = 36,570,442,756
  5. Step 5: Solve for x
    x = 36,570,442,756/131,318
  6. Step 6: Final answer
    x = 278,487.66

Related Problems

Find third proportional to 65,659 and 95,617
Half scale
Find third proportional to 262,636 and 382,468
Double scale
Find third proportional to 131,320 and 191,237
Similar ratio
Find third proportional to 196,977 and 286,851
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.