Home / 394,830-627,957

Finding the Third Proportional to 394,830 and 627,957

Calculator

Solution

The third proportional to 394,830 and 627,957 is: 998,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,830 : 627,957 = 627,957 : x
  2. Step 2: Convert to fraction form
    394,830/627,957 = 627,957/x
  3. Step 3: Cross multiply
    394,830x = 627,957 × 627,957
  4. Step 4: Simplify right side
    394,830x = 394,329,993,849
  5. Step 5: Solve for x
    x = 394,329,993,849/394,830
  6. Step 6: Final answer
    x = 998,733.62

Related Problems

Find third proportional to 197,415 and 313,978.50
Half scale
Find third proportional to 789,660 and 1,255,914
Double scale
Find third proportional to 394,832 and 627,960
Similar ratio
Find third proportional to 592,245 and 941,935.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.