Finding the Third Proportional to 310 and 468
Calculator
Solution
The third proportional to 310 and 468 is: 706.53
Step by Step Solution
- Step 1: Write the proportion equation
310 : 468 = 468 : x - Step 2: Convert to fraction form
310/468 = 468/x - Step 3: Cross multiply
310x = 468 × 468 - Step 4: Simplify right side
310x = 219,024 - Step 5: Solve for x
x = 219,024/310 - Step 6: Final answer
x = 706.53
Related Problems
Find third proportional to 155 and 234
Half scale
Find third proportional to 620 and 936
Double scale
Find third proportional to 312 and 471
Similar ratio
Find third proportional to 465 and 702
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.