Finding the Third Proportional to 240 and 442
Calculator
Solution
The third proportional to 240 and 442 is: 814.02
Step by Step Solution
- Step 1: Write the proportion equation
240 : 442 = 442 : x - Step 2: Convert to fraction form
240/442 = 442/x - Step 3: Cross multiply
240x = 442 × 442 - Step 4: Simplify right side
240x = 195,364 - Step 5: Solve for x
x = 195,364/240 - Step 6: Final answer
x = 814.02
Related Problems
Find third proportional to 120 and 221
Half scale
Find third proportional to 480 and 884
Double scale
Find third proportional to 242 and 446
Similar ratio
Find third proportional to 360 and 663
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.