Finding the Third Proportional to 379 and 568.50
Calculator
Solution
The third proportional to 379 and 568.50 is: 852.75
Step by Step Solution
- Step 1: Write the proportion equation
379 : 568.50 = 568.50 : x - Step 2: Convert to fraction form
379/568.50 = 568.50/x - Step 3: Cross multiply
379x = 568.50 × 568.50 - Step 4: Simplify right side
379x = 323,192.25 - Step 5: Solve for x
x = 323,192.25/379 - Step 6: Final answer
x = 852.75
Related Problems
Find third proportional to 189.50 and 284.25
Half scale
Find third proportional to 758 and 1,137
Double scale
Find third proportional to 381 and 572
Similar ratio
Find third proportional to 568.50 and 852.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.