Finding the Third Proportional to 180 and 268
Calculator
Solution
The third proportional to 180 and 268 is: 399.02
Step by Step Solution
- Step 1: Write the proportion equation
180 : 268 = 268 : x - Step 2: Convert to fraction form
180/268 = 268/x - Step 3: Cross multiply
180x = 268 × 268 - Step 4: Simplify right side
180x = 71,824 - Step 5: Solve for x
x = 71,824/180 - Step 6: Final answer
x = 399.02
Related Problems
Find third proportional to 90 and 134
Half scale
Find third proportional to 360 and 536
Double scale
Find third proportional to 182 and 271
Similar ratio
Find third proportional to 270 and 402
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.