Finding the Third Proportional to 774 and 1,612
Calculator
Solution
The third proportional to 774 and 1,612 is: 3,357.29
Step by Step Solution
- Step 1: Write the proportion equation
774 : 1,612 = 1,612 : x - Step 2: Convert to fraction form
774/1,612 = 1,612/x - Step 3: Cross multiply
774x = 1,612 × 1,612 - Step 4: Simplify right side
774x = 2,598,544 - Step 5: Solve for x
x = 2,598,544/774 - Step 6: Final answer
x = 3,357.29
Related Problems
Find third proportional to 387 and 806
Half scale
Find third proportional to 1,548 and 3,224
Double scale
Find third proportional to 776 and 1,616
Similar ratio
Find third proportional to 1,161 and 2,418
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.