Home / 151,876-331,400

Finding the Third Proportional to 151,876 and 331,400

Calculator

Solution

The third proportional to 151,876 and 331,400 is: 723,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,876 : 331,400 = 331,400 : x
  2. Step 2: Convert to fraction form
    151,876/331,400 = 331,400/x
  3. Step 3: Cross multiply
    151,876x = 331,400 × 331,400
  4. Step 4: Simplify right side
    151,876x = 109,825,960,000
  5. Step 5: Solve for x
    x = 109,825,960,000/151,876
  6. Step 6: Final answer
    x = 723,129.13

Related Problems

Find third proportional to 75,938 and 165,700
Half scale
Find third proportional to 303,752 and 662,800
Double scale
Find third proportional to 151,878 and 331,404
Similar ratio
Find third proportional to 227,814 and 497,100
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.