Finding the Third Proportional to 303.75 and 550.50
Calculator
Solution
The third proportional to 303.75 and 550.50 is: 997.70
Step by Step Solution
- Step 1: Write the proportion equation
303.75 : 550.50 = 550.50 : x - Step 2: Convert to fraction form
303.75/550.50 = 550.50/x - Step 3: Cross multiply
303.75x = 550.50 × 550.50 - Step 4: Simplify right side
303.75x = 303,050.25 - Step 5: Solve for x
x = 303,050.25/303.75 - Step 6: Final answer
x = 997.70
Related Problems
Find third proportional to 151.88 and 275.25
Half scale
Find third proportional to 607.50 and 1,101
Double scale
Find third proportional to 306 and 554
Similar ratio
Find third proportional to 455.63 and 825.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.