Finding the Third Proportional to 354 and 425
Calculator
Solution
The third proportional to 354 and 425 is: 510.24
Step by Step Solution
- Step 1: Write the proportion equation
354 : 425 = 425 : x - Step 2: Convert to fraction form
354/425 = 425/x - Step 3: Cross multiply
354x = 425 × 425 - Step 4: Simplify right side
354x = 180,625 - Step 5: Solve for x
x = 180,625/354 - Step 6: Final answer
x = 510.24
Related Problems
Find third proportional to 177 and 212.50
Half scale
Find third proportional to 708 and 850
Double scale
Find third proportional to 356 and 427
Similar ratio
Find third proportional to 531 and 637.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.