Finding the Third Proportional to 21,728 and 32,835
Calculator
Solution
The third proportional to 21,728 and 32,835 is: 49,619.72
Step by Step Solution
- Step 1: Write the proportion equation
21,728 : 32,835 = 32,835 : x - Step 2: Convert to fraction form
21,728/32,835 = 32,835/x - Step 3: Cross multiply
21,728x = 32,835 × 32,835 - Step 4: Simplify right side
21,728x = 1,078,137,225 - Step 5: Solve for x
x = 1,078,137,225/21,728 - Step 6: Final answer
x = 49,619.72
Related Problems
Find third proportional to 10,864 and 16,417.50
Half scale
Find third proportional to 43,456 and 65,670
Double scale
Find third proportional to 21,730 and 32,838
Similar ratio
Find third proportional to 32,592 and 49,252.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.