Finding the Third Proportional to 257 and 468
Calculator
Solution
The third proportional to 257 and 468 is: 852.23
Step by Step Solution
- Step 1: Write the proportion equation
257 : 468 = 468 : x - Step 2: Convert to fraction form
257/468 = 468/x - Step 3: Cross multiply
257x = 468 × 468 - Step 4: Simplify right side
257x = 219,024 - Step 5: Solve for x
x = 219,024/257 - Step 6: Final answer
x = 852.23
Related Problems
Find third proportional to 128.50 and 234
Half scale
Find third proportional to 514 and 936
Double scale
Find third proportional to 259 and 472
Similar ratio
Find third proportional to 385.50 and 702
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.82) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.