Finding the Third Proportional to 286 and 336.50
Calculator
Solution
The third proportional to 286 and 336.50 is: 395.92
Step by Step Solution
- Step 1: Write the proportion equation
286 : 336.50 = 336.50 : x - Step 2: Convert to fraction form
286/336.50 = 336.50/x - Step 3: Cross multiply
286x = 336.50 × 336.50 - Step 4: Simplify right side
286x = 113,232.25 - Step 5: Solve for x
x = 113,232.25/286 - Step 6: Final answer
x = 395.92
Related Problems
Find third proportional to 143 and 168.25
Half scale
Find third proportional to 572 and 673
Double scale
Find third proportional to 288 and 339
Similar ratio
Find third proportional to 429 and 504.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.