Home / 150,812-331,430

Finding the Third Proportional to 150,812 and 331,430

Calculator

Solution

The third proportional to 150,812 and 331,430 is: 728,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,812 : 331,430 = 331,430 : x
  2. Step 2: Convert to fraction form
    150,812/331,430 = 331,430/x
  3. Step 3: Cross multiply
    150,812x = 331,430 × 331,430
  4. Step 4: Simplify right side
    150,812x = 109,845,844,900
  5. Step 5: Solve for x
    x = 109,845,844,900/150,812
  6. Step 6: Final answer
    x = 728,362.76

Related Problems

Find third proportional to 75,406 and 165,715
Half scale
Find third proportional to 301,624 and 662,860
Double scale
Find third proportional to 150,814 and 331,434
Similar ratio
Find third proportional to 226,218 and 497,145
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.