Finding the Third Proportional to 450 and 750
Calculator
Solution
The third proportional to 450 and 750 is: 1,250
Step by Step Solution
- Step 1: Write the proportion equation
450 : 750 = 750 : x - Step 2: Convert to fraction form
450/750 = 750/x - Step 3: Cross multiply
450x = 750 × 750 - Step 4: Simplify right side
450x = 562,500 - Step 5: Solve for x
x = 562,500/450 - Step 6: Final answer
x = 1,250
Related Problems
Find third proportional to 225 and 375
Half scale
Find third proportional to 900 and 1,500
Double scale
Find third proportional to 452 and 753
Similar ratio
Find third proportional to 675 and 1,125
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.