Finding the Third Proportional to 266 and 358
Calculator
Solution
The third proportional to 266 and 358 is: 481.82
Step by Step Solution
- Step 1: Write the proportion equation
266 : 358 = 358 : x - Step 2: Convert to fraction form
266/358 = 358/x - Step 3: Cross multiply
266x = 358 × 358 - Step 4: Simplify right side
266x = 128,164 - Step 5: Solve for x
x = 128,164/266 - Step 6: Final answer
x = 481.82
Related Problems
Find third proportional to 133 and 179
Half scale
Find third proportional to 532 and 716
Double scale
Find third proportional to 268 and 361
Similar ratio
Find third proportional to 399 and 537
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.