Finding the Third Proportional to 71,578.50 and 161,715.75
Calculator
Solution
The third proportional to 71,578.50 and 161,715.75 is: 365,360.88
Step by Step Solution
- Step 1: Write the proportion equation
71,578.50 : 161,715.75 = 161,715.75 : x - Step 2: Convert to fraction form
71,578.50/161,715.75 = 161,715.75/x - Step 3: Cross multiply
71,578.50x = 161,715.75 × 161,715.75 - Step 4: Simplify right side
71,578.50x = 26,151,983,798.06 - Step 5: Solve for x
x = 26,151,983,798.06/71,578.50 - Step 6: Final answer
x = 365,360.88
Related Problems
Find third proportional to 35,789.25 and 80,857.88
Half scale
Find third proportional to 143,157 and 323,431.50
Double scale
Find third proportional to 71,581 and 161,720
Similar ratio
Find third proportional to 107,367.75 and 242,573.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.