Finding the Third Proportional to 21,734 and 31,983
Calculator
Solution
The third proportional to 21,734 and 31,983 is: 47,065.07
Step by Step Solution
- Step 1: Write the proportion equation
21,734 : 31,983 = 31,983 : x - Step 2: Convert to fraction form
21,734/31,983 = 31,983/x - Step 3: Cross multiply
21,734x = 31,983 × 31,983 - Step 4: Simplify right side
21,734x = 1,022,912,289 - Step 5: Solve for x
x = 1,022,912,289/21,734 - Step 6: Final answer
x = 47,065.07
Related Problems
Find third proportional to 10,867 and 15,991.50
Half scale
Find third proportional to 43,468 and 63,966
Double scale
Find third proportional to 21,736 and 31,986
Similar ratio
Find third proportional to 32,601 and 47,974.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.