Finding the Third Proportional to 21,286.13 and 29,220.75
Calculator
Solution
The third proportional to 21,286.13 and 29,220.75 is: 40,113.09
Step by Step Solution
- Step 1: Write the proportion equation
21,286.13 : 29,220.75 = 29,220.75 : x - Step 2: Convert to fraction form
21,286.13/29,220.75 = 29,220.75/x - Step 3: Cross multiply
21,286.13x = 29,220.75 × 29,220.75 - Step 4: Simplify right side
21,286.13x = 853,852,230.56 - Step 5: Solve for x
x = 853,852,230.56/21,286.13 - Step 6: Final answer
x = 40,113.09
Related Problems
Find third proportional to 10,643.06 and 14,610.38
Half scale
Find third proportional to 42,572.25 and 58,441.50
Double scale
Find third proportional to 21,288 and 29,223
Similar ratio
Find third proportional to 31,929.19 and 43,831.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.