Finding the Third Proportional to 765 and 1,674
Calculator
Solution
The third proportional to 765 and 1,674 is: 3,663.11
Step by Step Solution
- Step 1: Write the proportion equation
765 : 1,674 = 1,674 : x - Step 2: Convert to fraction form
765/1,674 = 1,674/x - Step 3: Cross multiply
765x = 1,674 × 1,674 - Step 4: Simplify right side
765x = 2,802,276 - Step 5: Solve for x
x = 2,802,276/765 - Step 6: Final answer
x = 3,663.11
Related Problems
Find third proportional to 382.50 and 837
Half scale
Find third proportional to 1,530 and 3,348
Double scale
Find third proportional to 767 and 1,678
Similar ratio
Find third proportional to 1,147.50 and 2,511
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.