Finding the Third Proportional to 195 and 478
Calculator
Solution
The third proportional to 195 and 478 is: 1,171.71
Step by Step Solution
- Step 1: Write the proportion equation
195 : 478 = 478 : x - Step 2: Convert to fraction form
195/478 = 478/x - Step 3: Cross multiply
195x = 478 × 478 - Step 4: Simplify right side
195x = 228,484 - Step 5: Solve for x
x = 228,484/195 - Step 6: Final answer
x = 1,171.71
Related Problems
Find third proportional to 97.50 and 239
Half scale
Find third proportional to 390 and 956
Double scale
Find third proportional to 197 and 483
Similar ratio
Find third proportional to 292.50 and 717
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.