Finding the Third Proportional to 246 and 356
Calculator
Solution
The third proportional to 246 and 356 is: 515.19
Step by Step Solution
- Step 1: Write the proportion equation
246 : 356 = 356 : x - Step 2: Convert to fraction form
246/356 = 356/x - Step 3: Cross multiply
246x = 356 × 356 - Step 4: Simplify right side
246x = 126,736 - Step 5: Solve for x
x = 126,736/246 - Step 6: Final answer
x = 515.19
Related Problems
Find third proportional to 123 and 178
Half scale
Find third proportional to 492 and 712
Double scale
Find third proportional to 248 and 359
Similar ratio
Find third proportional to 369 and 534
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.