Home / 260,379-394,942

Finding the Third Proportional to 260,379 and 394,942

Calculator

Solution

The third proportional to 260,379 and 394,942 is: 599,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,379 : 394,942 = 394,942 : x
  2. Step 2: Convert to fraction form
    260,379/394,942 = 394,942/x
  3. Step 3: Cross multiply
    260,379x = 394,942 × 394,942
  4. Step 4: Simplify right side
    260,379x = 155,979,183,364
  5. Step 5: Solve for x
    x = 155,979,183,364/260,379
  6. Step 6: Final answer
    x = 599,046.71

Related Problems

Find third proportional to 130,189.50 and 197,471
Half scale
Find third proportional to 520,758 and 789,884
Double scale
Find third proportional to 260,381 and 394,945
Similar ratio
Find third proportional to 390,568.50 and 592,413
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.