Finding the Third Proportional to 936 and 1,716
Calculator
Solution
The third proportional to 936 and 1,716 is: 3,146
Step by Step Solution
- Step 1: Write the proportion equation
936 : 1,716 = 1,716 : x - Step 2: Convert to fraction form
936/1,716 = 1,716/x - Step 3: Cross multiply
936x = 1,716 × 1,716 - Step 4: Simplify right side
936x = 2,944,656 - Step 5: Solve for x
x = 2,944,656/936 - Step 6: Final answer
x = 3,146
Related Problems
Find third proportional to 468 and 858
Half scale
Find third proportional to 1,872 and 3,432
Double scale
Find third proportional to 938 and 1,720
Similar ratio
Find third proportional to 1,404 and 2,574
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.