Finding the Third Proportional to 284.50 and 539
Calculator
Solution
The third proportional to 284.50 and 539 is: 1,021.16
Step by Step Solution
- Step 1: Write the proportion equation
284.50 : 539 = 539 : x - Step 2: Convert to fraction form
284.50/539 = 539/x - Step 3: Cross multiply
284.50x = 539 × 539 - Step 4: Simplify right side
284.50x = 290,521 - Step 5: Solve for x
x = 290,521/284.50 - Step 6: Final answer
x = 1,021.16
Related Problems
Find third proportional to 142.25 and 269.50
Half scale
Find third proportional to 569 and 1,078
Double scale
Find third proportional to 287 and 543
Similar ratio
Find third proportional to 426.75 and 808.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.