Finding the Third Proportional to 722 and 1,922
Calculator
Solution
The third proportional to 722 and 1,922 is: 5,116.46
Step by Step Solution
- Step 1: Write the proportion equation
722 : 1,922 = 1,922 : x - Step 2: Convert to fraction form
722/1,922 = 1,922/x - Step 3: Cross multiply
722x = 1,922 × 1,922 - Step 4: Simplify right side
722x = 3,694,084 - Step 5: Solve for x
x = 3,694,084/722 - Step 6: Final answer
x = 5,116.46
Related Problems
Find third proportional to 361 and 961
Half scale
Find third proportional to 1,444 and 3,844
Double scale
Find third proportional to 724 and 1,927
Similar ratio
Find third proportional to 1,083 and 2,883
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.