Finding the Third Proportional to 768 and 908
Calculator
Solution
The third proportional to 768 and 908 is: 1,073.52
Step by Step Solution
- Step 1: Write the proportion equation
768 : 908 = 908 : x - Step 2: Convert to fraction form
768/908 = 908/x - Step 3: Cross multiply
768x = 908 × 908 - Step 4: Simplify right side
768x = 824,464 - Step 5: Solve for x
x = 824,464/768 - Step 6: Final answer
x = 1,073.52
Related Problems
Find third proportional to 384 and 454
Half scale
Find third proportional to 1,536 and 1,816
Double scale
Find third proportional to 770 and 910
Similar ratio
Find third proportional to 1,152 and 1,362
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.