Home / 388,360-603,268

Finding the Third Proportional to 388,360 and 603,268

Calculator

Solution

The third proportional to 388,360 and 603,268 is: 937,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,360 : 603,268 = 603,268 : x
  2. Step 2: Convert to fraction form
    388,360/603,268 = 603,268/x
  3. Step 3: Cross multiply
    388,360x = 603,268 × 603,268
  4. Step 4: Simplify right side
    388,360x = 363,932,279,824
  5. Step 5: Solve for x
    x = 363,932,279,824/388,360
  6. Step 6: Final answer
    x = 937,100.32

Related Problems

Find third proportional to 194,180 and 301,634
Half scale
Find third proportional to 776,720 and 1,206,536
Double scale
Find third proportional to 388,362 and 603,271
Similar ratio
Find third proportional to 582,540 and 904,902
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.