Finding the Third Proportional to 282 and 358
Calculator
Solution
The third proportional to 282 and 358 is: 454.48
Step by Step Solution
- Step 1: Write the proportion equation
282 : 358 = 358 : x - Step 2: Convert to fraction form
282/358 = 358/x - Step 3: Cross multiply
282x = 358 × 358 - Step 4: Simplify right side
282x = 128,164 - Step 5: Solve for x
x = 128,164/282 - Step 6: Final answer
x = 454.48
Related Problems
Find third proportional to 141 and 179
Half scale
Find third proportional to 564 and 716
Double scale
Find third proportional to 284 and 361
Similar ratio
Find third proportional to 423 and 537
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.