Finding the Third Proportional to 434 and 442
Calculator
Solution
The third proportional to 434 and 442 is: 450.15
Step by Step Solution
- Step 1: Write the proportion equation
434 : 442 = 442 : x - Step 2: Convert to fraction form
434/442 = 442/x - Step 3: Cross multiply
434x = 442 × 442 - Step 4: Simplify right side
434x = 195,364 - Step 5: Solve for x
x = 195,364/434 - Step 6: Final answer
x = 450.15
Related Problems
Find third proportional to 217 and 221
Half scale
Find third proportional to 868 and 884
Double scale
Find third proportional to 436 and 444
Similar ratio
Find third proportional to 651 and 663
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.