Finding the Third Proportional to 135 and 303
Calculator
Solution
The third proportional to 135 and 303 is: 680.07
Step by Step Solution
- Step 1: Write the proportion equation
135 : 303 = 303 : x - Step 2: Convert to fraction form
135/303 = 303/x - Step 3: Cross multiply
135x = 303 × 303 - Step 4: Simplify right side
135x = 91,809 - Step 5: Solve for x
x = 91,809/135 - Step 6: Final answer
x = 680.07
Related Problems
Find third proportional to 67.50 and 151.50
Half scale
Find third proportional to 270 and 606
Double scale
Find third proportional to 137 and 307
Similar ratio
Find third proportional to 202.50 and 454.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.