Finding the Third Proportional to 324.50 and 531
Calculator
Solution
The third proportional to 324.50 and 531 is: 868.91
Step by Step Solution
- Step 1: Write the proportion equation
324.50 : 531 = 531 : x - Step 2: Convert to fraction form
324.50/531 = 531/x - Step 3: Cross multiply
324.50x = 531 × 531 - Step 4: Simplify right side
324.50x = 281,961 - Step 5: Solve for x
x = 281,961/324.50 - Step 6: Final answer
x = 868.91
Related Problems
Find third proportional to 162.25 and 265.50
Half scale
Find third proportional to 649 and 1,062
Double scale
Find third proportional to 327 and 534
Similar ratio
Find third proportional to 486.75 and 796.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.