Finding the Third Proportional to 539 and 590
Calculator
Solution
The third proportional to 539 and 590 is: 645.83
Step by Step Solution
- Step 1: Write the proportion equation
539 : 590 = 590 : x - Step 2: Convert to fraction form
539/590 = 590/x - Step 3: Cross multiply
539x = 590 × 590 - Step 4: Simplify right side
539x = 348,100 - Step 5: Solve for x
x = 348,100/539 - Step 6: Final answer
x = 645.83
Related Problems
Find third proportional to 269.50 and 295
Half scale
Find third proportional to 1,078 and 1,180
Double scale
Find third proportional to 541 and 592
Similar ratio
Find third proportional to 808.50 and 885
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.