Home / 181,880-394,860

Finding the Third Proportional to 181,880 and 394,860

Calculator

Solution

The third proportional to 181,880 and 394,860 is: 857,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,880 : 394,860 = 394,860 : x
  2. Step 2: Convert to fraction form
    181,880/394,860 = 394,860/x
  3. Step 3: Cross multiply
    181,880x = 394,860 × 394,860
  4. Step 4: Simplify right side
    181,880x = 155,914,419,600
  5. Step 5: Solve for x
    x = 155,914,419,600/181,880
  6. Step 6: Final answer
    x = 857,237.85

Related Problems

Find third proportional to 90,940 and 197,430
Half scale
Find third proportional to 363,760 and 789,720
Double scale
Find third proportional to 181,882 and 394,864
Similar ratio
Find third proportional to 272,820 and 592,290
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.