Finding the Third Proportional to 354 and 537.75
Calculator
Solution
The third proportional to 354 and 537.75 is: 816.88
Step by Step Solution
- Step 1: Write the proportion equation
354 : 537.75 = 537.75 : x - Step 2: Convert to fraction form
354/537.75 = 537.75/x - Step 3: Cross multiply
354x = 537.75 × 537.75 - Step 4: Simplify right side
354x = 289,175.06 - Step 5: Solve for x
x = 289,175.06/354 - Step 6: Final answer
x = 816.88
Related Problems
Find third proportional to 177 and 268.88
Half scale
Find third proportional to 708 and 1,075.50
Double scale
Find third proportional to 356 and 541
Similar ratio
Find third proportional to 531 and 806.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.