Finding the Third Proportional to 531 and 601.50
Calculator
Solution
The third proportional to 531 and 601.50 is: 681.36
Step by Step Solution
- Step 1: Write the proportion equation
531 : 601.50 = 601.50 : x - Step 2: Convert to fraction form
531/601.50 = 601.50/x - Step 3: Cross multiply
531x = 601.50 × 601.50 - Step 4: Simplify right side
531x = 361,802.25 - Step 5: Solve for x
x = 361,802.25/531 - Step 6: Final answer
x = 681.36
Related Problems
Find third proportional to 265.50 and 300.75
Half scale
Find third proportional to 1,062 and 1,203
Double scale
Find third proportional to 533 and 604
Similar ratio
Find third proportional to 796.50 and 902.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.