Finding the Third Proportional to 392 and 948
Calculator
Solution
The third proportional to 392 and 948 is: 2,292.61
Step by Step Solution
- Step 1: Write the proportion equation
392 : 948 = 948 : x - Step 2: Convert to fraction form
392/948 = 948/x - Step 3: Cross multiply
392x = 948 × 948 - Step 4: Simplify right side
392x = 898,704 - Step 5: Solve for x
x = 898,704/392 - Step 6: Final answer
x = 2,292.61
Related Problems
Find third proportional to 196 and 474
Half scale
Find third proportional to 784 and 1,896
Double scale
Find third proportional to 394 and 953
Similar ratio
Find third proportional to 588 and 1,422
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.