Finding the Third Proportional to 330 and 442
Calculator
Solution
The third proportional to 330 and 442 is: 592.01
Step by Step Solution
- Step 1: Write the proportion equation
330 : 442 = 442 : x - Step 2: Convert to fraction form
330/442 = 442/x - Step 3: Cross multiply
330x = 442 × 442 - Step 4: Simplify right side
330x = 195,364 - Step 5: Solve for x
x = 195,364/330 - Step 6: Final answer
x = 592.01
Related Problems
Find third proportional to 165 and 221
Half scale
Find third proportional to 660 and 884
Double scale
Find third proportional to 332 and 445
Similar ratio
Find third proportional to 495 and 663
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.