Finding the Third Proportional to 21,360 and 33,505.50
Calculator
Solution
The third proportional to 21,360 and 33,505.50 is: 52,557.05
Step by Step Solution
- Step 1: Write the proportion equation
21,360 : 33,505.50 = 33,505.50 : x - Step 2: Convert to fraction form
21,360/33,505.50 = 33,505.50/x - Step 3: Cross multiply
21,360x = 33,505.50 × 33,505.50 - Step 4: Simplify right side
21,360x = 1,122,618,530.25 - Step 5: Solve for x
x = 1,122,618,530.25/21,360 - Step 6: Final answer
x = 52,557.05
Related Problems
Find third proportional to 10,680 and 16,752.75
Half scale
Find third proportional to 42,720 and 67,011
Double scale
Find third proportional to 21,362 and 33,509
Similar ratio
Find third proportional to 32,040 and 50,258.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.