Finding the Third Proportional to 21,822 and 34,863
Calculator
Solution
The third proportional to 21,822 and 34,863 is: 55,697.40
Step by Step Solution
- Step 1: Write the proportion equation
21,822 : 34,863 = 34,863 : x - Step 2: Convert to fraction form
21,822/34,863 = 34,863/x - Step 3: Cross multiply
21,822x = 34,863 × 34,863 - Step 4: Simplify right side
21,822x = 1,215,428,769 - Step 5: Solve for x
x = 1,215,428,769/21,822 - Step 6: Final answer
x = 55,697.40
Related Problems
Find third proportional to 10,911 and 17,431.50
Half scale
Find third proportional to 43,644 and 69,726
Double scale
Find third proportional to 21,824 and 34,866
Similar ratio
Find third proportional to 32,733 and 52,294.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.