Finding the Third Proportional to 212 and 357
Calculator
Solution
The third proportional to 212 and 357 is: 601.17
Step by Step Solution
- Step 1: Write the proportion equation
212 : 357 = 357 : x - Step 2: Convert to fraction form
212/357 = 357/x - Step 3: Cross multiply
212x = 357 × 357 - Step 4: Simplify right side
212x = 127,449 - Step 5: Solve for x
x = 127,449/212 - Step 6: Final answer
x = 601.17
Related Problems
Find third proportional to 106 and 178.50
Half scale
Find third proportional to 424 and 714
Double scale
Find third proportional to 214 and 360
Similar ratio
Find third proportional to 318 and 535.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.