Finding the Third Proportional to 9,158 and 19,728
Calculator
Solution
The third proportional to 9,158 and 19,728 is: 42,497.71
Step by Step Solution
- Step 1: Write the proportion equation
9,158 : 19,728 = 19,728 : x - Step 2: Convert to fraction form
9,158/19,728 = 19,728/x - Step 3: Cross multiply
9,158x = 19,728 × 19,728 - Step 4: Simplify right side
9,158x = 389,193,984 - Step 5: Solve for x
x = 389,193,984/9,158 - Step 6: Final answer
x = 42,497.71
Related Problems
Find third proportional to 4,579 and 9,864
Half scale
Find third proportional to 18,316 and 39,456
Double scale
Find third proportional to 9,160 and 19,732
Similar ratio
Find third proportional to 13,737 and 29,592
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.