Finding the Third Proportional to 356 and 472
Calculator
Solution
The third proportional to 356 and 472 is: 625.80
Step by Step Solution
- Step 1: Write the proportion equation
356 : 472 = 472 : x - Step 2: Convert to fraction form
356/472 = 472/x - Step 3: Cross multiply
356x = 472 × 472 - Step 4: Simplify right side
356x = 222,784 - Step 5: Solve for x
x = 222,784/356 - Step 6: Final answer
x = 625.80
Related Problems
Find third proportional to 178 and 236
Half scale
Find third proportional to 712 and 944
Double scale
Find third proportional to 358 and 475
Similar ratio
Find third proportional to 534 and 708
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.