Finding the Third Proportional to 272 and 298
Calculator
Solution
The third proportional to 272 and 298 is: 326.49
Step by Step Solution
- Step 1: Write the proportion equation
272 : 298 = 298 : x - Step 2: Convert to fraction form
272/298 = 298/x - Step 3: Cross multiply
272x = 298 × 298 - Step 4: Simplify right side
272x = 88,804 - Step 5: Solve for x
x = 88,804/272 - Step 6: Final answer
x = 326.49
Related Problems
Find third proportional to 136 and 149
Half scale
Find third proportional to 544 and 596
Double scale
Find third proportional to 274 and 300
Similar ratio
Find third proportional to 408 and 447
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.