Finding the Third Proportional to 450 and 1,152
Calculator
Solution
The third proportional to 450 and 1,152 is: 2,949.12
Step by Step Solution
- Step 1: Write the proportion equation
450 : 1,152 = 1,152 : x - Step 2: Convert to fraction form
450/1,152 = 1,152/x - Step 3: Cross multiply
450x = 1,152 × 1,152 - Step 4: Simplify right side
450x = 1,327,104 - Step 5: Solve for x
x = 1,327,104/450 - Step 6: Final answer
x = 2,949.12
Related Problems
Find third proportional to 225 and 576
Half scale
Find third proportional to 900 and 2,304
Double scale
Find third proportional to 452 and 1,157
Similar ratio
Find third proportional to 675 and 1,728
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.