Home / 394,538-862,902

Finding the Third Proportional to 394,538 and 862,902

Calculator

Solution

The third proportional to 394,538 and 862,902 is: 1,887,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,538 : 862,902 = 862,902 : x
  2. Step 2: Convert to fraction form
    394,538/862,902 = 862,902/x
  3. Step 3: Cross multiply
    394,538x = 862,902 × 862,902
  4. Step 4: Simplify right side
    394,538x = 744,599,861,604
  5. Step 5: Solve for x
    x = 744,599,861,604/394,538
  6. Step 6: Final answer
    x = 1,887,270.33

Related Problems

Find third proportional to 197,269 and 431,451
Half scale
Find third proportional to 789,076 and 1,725,804
Double scale
Find third proportional to 394,540 and 862,906
Similar ratio
Find third proportional to 591,807 and 1,294,353
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.