Finding the Third Proportional to 325 and 800
Calculator
Solution
The third proportional to 325 and 800 is: 1,969.23
Step by Step Solution
- Step 1: Write the proportion equation
325 : 800 = 800 : x - Step 2: Convert to fraction form
325/800 = 800/x - Step 3: Cross multiply
325x = 800 × 800 - Step 4: Simplify right side
325x = 640,000 - Step 5: Solve for x
x = 640,000/325 - Step 6: Final answer
x = 1,969.23
Related Problems
Find third proportional to 162.50 and 400
Half scale
Find third proportional to 650 and 1,600
Double scale
Find third proportional to 327 and 805
Similar ratio
Find third proportional to 487.50 and 1,200
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.