Finding the Third Proportional to 436 and 568.50
Calculator
Solution
The third proportional to 436 and 568.50 is: 741.27
Step by Step Solution
- Step 1: Write the proportion equation
436 : 568.50 = 568.50 : x - Step 2: Convert to fraction form
436/568.50 = 568.50/x - Step 3: Cross multiply
436x = 568.50 × 568.50 - Step 4: Simplify right side
436x = 323,192.25 - Step 5: Solve for x
x = 323,192.25/436 - Step 6: Final answer
x = 741.27
Related Problems
Find third proportional to 218 and 284.25
Half scale
Find third proportional to 872 and 1,137
Double scale
Find third proportional to 438 and 571
Similar ratio
Find third proportional to 654 and 852.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.