Finding the Third Proportional to 275.50 and 366
Calculator
Solution
The third proportional to 275.50 and 366 is: 486.23
Step by Step Solution
- Step 1: Write the proportion equation
275.50 : 366 = 366 : x - Step 2: Convert to fraction form
275.50/366 = 366/x - Step 3: Cross multiply
275.50x = 366 × 366 - Step 4: Simplify right side
275.50x = 133,956 - Step 5: Solve for x
x = 133,956/275.50 - Step 6: Final answer
x = 486.23
Related Problems
Find third proportional to 137.75 and 183
Half scale
Find third proportional to 551 and 732
Double scale
Find third proportional to 278 and 369
Similar ratio
Find third proportional to 413.25 and 549
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.