Finding the Third Proportional to 238.50 and 425
Calculator
Solution
The third proportional to 238.50 and 425 is: 757.34
Step by Step Solution
- Step 1: Write the proportion equation
238.50 : 425 = 425 : x - Step 2: Convert to fraction form
238.50/425 = 425/x - Step 3: Cross multiply
238.50x = 425 × 425 - Step 4: Simplify right side
238.50x = 180,625 - Step 5: Solve for x
x = 180,625/238.50 - Step 6: Final answer
x = 757.34
Related Problems
Find third proportional to 119.25 and 212.50
Half scale
Find third proportional to 477 and 850
Double scale
Find third proportional to 241 and 429
Similar ratio
Find third proportional to 357.75 and 637.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.