Finding the Third Proportional to 326 and 665
Calculator
Solution
The third proportional to 326 and 665 is: 1,356.52
Step by Step Solution
- Step 1: Write the proportion equation
326 : 665 = 665 : x - Step 2: Convert to fraction form
326/665 = 665/x - Step 3: Cross multiply
326x = 665 × 665 - Step 4: Simplify right side
326x = 442,225 - Step 5: Solve for x
x = 442,225/326 - Step 6: Final answer
x = 1,356.52
Related Problems
Find third proportional to 163 and 332.50
Half scale
Find third proportional to 652 and 1,330
Double scale
Find third proportional to 328 and 669
Similar ratio
Find third proportional to 489 and 997.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.