Finding the Third Proportional to 554 and 810.50
Calculator
Solution
The third proportional to 554 and 810.50 is: 1,185.76
Step by Step Solution
- Step 1: Write the proportion equation
554 : 810.50 = 810.50 : x - Step 2: Convert to fraction form
554/810.50 = 810.50/x - Step 3: Cross multiply
554x = 810.50 × 810.50 - Step 4: Simplify right side
554x = 656,910.25 - Step 5: Solve for x
x = 656,910.25/554 - Step 6: Final answer
x = 1,185.76
Related Problems
Find third proportional to 277 and 405.25
Half scale
Find third proportional to 1,108 and 1,621
Double scale
Find third proportional to 556 and 813
Similar ratio
Find third proportional to 831 and 1,215.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.