Finding the Third Proportional to 19,802 and 27,861
Calculator
Solution
The third proportional to 19,802 and 27,861 is: 39,199.84
Step by Step Solution
- Step 1: Write the proportion equation
19,802 : 27,861 = 27,861 : x - Step 2: Convert to fraction form
19,802/27,861 = 27,861/x - Step 3: Cross multiply
19,802x = 27,861 × 27,861 - Step 4: Simplify right side
19,802x = 776,235,321 - Step 5: Solve for x
x = 776,235,321/19,802 - Step 6: Final answer
x = 39,199.84
Related Problems
Find third proportional to 9,901 and 13,930.50
Half scale
Find third proportional to 39,604 and 55,722
Double scale
Find third proportional to 19,804 and 27,864
Similar ratio
Find third proportional to 29,703 and 41,791.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.