Finding the Third Proportional to 9,938 and 21,061
Calculator
Solution
The third proportional to 9,938 and 21,061 is: 44,633.30
Step by Step Solution
- Step 1: Write the proportion equation
9,938 : 21,061 = 21,061 : x - Step 2: Convert to fraction form
9,938/21,061 = 21,061/x - Step 3: Cross multiply
9,938x = 21,061 × 21,061 - Step 4: Simplify right side
9,938x = 443,565,721 - Step 5: Solve for x
x = 443,565,721/9,938 - Step 6: Final answer
x = 44,633.30
Related Problems
Find third proportional to 4,969 and 10,530.50
Half scale
Find third proportional to 19,876 and 42,122
Double scale
Find third proportional to 9,940 and 21,065
Similar ratio
Find third proportional to 14,907 and 31,591.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.