Finding the Third Proportional to 411.50 and 500
Calculator
Solution
The third proportional to 411.50 and 500 is: 607.53
Step by Step Solution
- Step 1: Write the proportion equation
411.50 : 500 = 500 : x - Step 2: Convert to fraction form
411.50/500 = 500/x - Step 3: Cross multiply
411.50x = 500 × 500 - Step 4: Simplify right side
411.50x = 250,000 - Step 5: Solve for x
x = 250,000/411.50 - Step 6: Final answer
x = 607.53
Related Problems
Find third proportional to 205.75 and 250
Half scale
Find third proportional to 823 and 1,000
Double scale
Find third proportional to 414 and 502
Similar ratio
Find third proportional to 617.25 and 750
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.