Home / 394,648-855,824

Finding the Third Proportional to 394,648 and 855,824

Calculator

Solution

The third proportional to 394,648 and 855,824 is: 1,855,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,648 : 855,824 = 855,824 : x
  2. Step 2: Convert to fraction form
    394,648/855,824 = 855,824/x
  3. Step 3: Cross multiply
    394,648x = 855,824 × 855,824
  4. Step 4: Simplify right side
    394,648x = 732,434,718,976
  5. Step 5: Solve for x
    x = 732,434,718,976/394,648
  6. Step 6: Final answer
    x = 1,855,918.99

Related Problems

Find third proportional to 197,324 and 427,912
Half scale
Find third proportional to 789,296 and 1,711,648
Double scale
Find third proportional to 394,650 and 855,828
Similar ratio
Find third proportional to 591,972 and 1,283,736
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.