Finding the Third Proportional to 756 and 1,008
Calculator
Solution
The third proportional to 756 and 1,008 is: 1,344
Step by Step Solution
- Step 1: Write the proportion equation
756 : 1,008 = 1,008 : x - Step 2: Convert to fraction form
756/1,008 = 1,008/x - Step 3: Cross multiply
756x = 1,008 × 1,008 - Step 4: Simplify right side
756x = 1,016,064 - Step 5: Solve for x
x = 1,016,064/756 - Step 6: Final answer
x = 1,344
Related Problems
Find third proportional to 378 and 504
Half scale
Find third proportional to 1,512 and 2,016
Double scale
Find third proportional to 758 and 1,011
Similar ratio
Find third proportional to 1,134 and 1,512
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.