Finding the Third Proportional to 472 and 484
Calculator
Solution
The third proportional to 472 and 484 is: 496.31
Step by Step Solution
- Step 1: Write the proportion equation
472 : 484 = 484 : x - Step 2: Convert to fraction form
472/484 = 484/x - Step 3: Cross multiply
472x = 484 × 484 - Step 4: Simplify right side
472x = 234,256 - Step 5: Solve for x
x = 234,256/472 - Step 6: Final answer
x = 496.31
Related Problems
Find third proportional to 236 and 242
Half scale
Find third proportional to 944 and 968
Double scale
Find third proportional to 474 and 486
Similar ratio
Find third proportional to 708 and 726
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.