Finding the Third Proportional to 214 and 442
Calculator
Solution
The third proportional to 214 and 442 is: 912.92
Step by Step Solution
- Step 1: Write the proportion equation
214 : 442 = 442 : x - Step 2: Convert to fraction form
214/442 = 442/x - Step 3: Cross multiply
214x = 442 × 442 - Step 4: Simplify right side
214x = 195,364 - Step 5: Solve for x
x = 195,364/214 - Step 6: Final answer
x = 912.92
Related Problems
Find third proportional to 107 and 221
Half scale
Find third proportional to 428 and 884
Double scale
Find third proportional to 216 and 446
Similar ratio
Find third proportional to 321 and 663
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.