Finding the Third Proportional to 248 and 272
Calculator
Solution
The third proportional to 248 and 272 is: 298.32
Step by Step Solution
- Step 1: Write the proportion equation
248 : 272 = 272 : x - Step 2: Convert to fraction form
248/272 = 272/x - Step 3: Cross multiply
248x = 272 × 272 - Step 4: Simplify right side
248x = 73,984 - Step 5: Solve for x
x = 73,984/248 - Step 6: Final answer
x = 298.32
Related Problems
Find third proportional to 124 and 136
Half scale
Find third proportional to 496 and 544
Double scale
Find third proportional to 250 and 274
Similar ratio
Find third proportional to 372 and 408
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.