Home / 394,530-558,252

Finding the Third Proportional to 394,530 and 558,252

Calculator

Solution

The third proportional to 394,530 and 558,252 is: 789,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,530 : 558,252 = 558,252 : x
  2. Step 2: Convert to fraction form
    394,530/558,252 = 558,252/x
  3. Step 3: Cross multiply
    394,530x = 558,252 × 558,252
  4. Step 4: Simplify right side
    394,530x = 311,645,295,504
  5. Step 5: Solve for x
    x = 311,645,295,504/394,530
  6. Step 6: Final answer
    x = 789,915.33

Related Problems

Find third proportional to 197,265 and 279,126
Half scale
Find third proportional to 789,060 and 1,116,504
Double scale
Find third proportional to 394,532 and 558,255
Similar ratio
Find third proportional to 591,795 and 837,378
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.