Finding the Third Proportional to 25 and 67
Calculator
Solution
The third proportional to 25 and 67 is: 179.56
Step by Step Solution
- Step 1: Write the proportion equation
25 : 67 = 67 : x - Step 2: Convert to fraction form
25/67 = 67/x - Step 3: Cross multiply
25x = 67 × 67 - Step 4: Simplify right side
25x = 4,489 - Step 5: Solve for x
x = 4,489/25 - Step 6: Final answer
x = 179.56
Related Problems
Find third proportional to 12.50 and 33.50
Half scale
Find third proportional to 50 and 134
Double scale
Find third proportional to 27 and 72
Similar ratio
Find third proportional to 37.50 and 100.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.