Finding the Third Proportional to 456 and 468
Calculator
Solution
The third proportional to 456 and 468 is: 480.32
Step by Step Solution
- Step 1: Write the proportion equation
456 : 468 = 468 : x - Step 2: Convert to fraction form
456/468 = 468/x - Step 3: Cross multiply
456x = 468 × 468 - Step 4: Simplify right side
456x = 219,024 - Step 5: Solve for x
x = 219,024/456 - Step 6: Final answer
x = 480.32
Related Problems
Find third proportional to 228 and 234
Half scale
Find third proportional to 912 and 936
Double scale
Find third proportional to 458 and 470
Similar ratio
Find third proportional to 684 and 702
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.