Home / 180,660-268,380

Finding the Third Proportional to 180,660 and 268,380

Calculator

Solution

The third proportional to 180,660 and 268,380 is: 398,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,660 : 268,380 = 268,380 : x
  2. Step 2: Convert to fraction form
    180,660/268,380 = 268,380/x
  3. Step 3: Cross multiply
    180,660x = 268,380 × 268,380
  4. Step 4: Simplify right side
    180,660x = 72,027,824,400
  5. Step 5: Solve for x
    x = 72,027,824,400/180,660
  6. Step 6: Final answer
    x = 398,692.71

Related Problems

Find third proportional to 90,330 and 134,190
Half scale
Find third proportional to 361,320 and 536,760
Double scale
Find third proportional to 180,662 and 268,383
Similar ratio
Find third proportional to 270,990 and 402,570
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.