Finding the Third Proportional to 195 and 486
Calculator
Solution
The third proportional to 195 and 486 is: 1,211.26
Step by Step Solution
- Step 1: Write the proportion equation
195 : 486 = 486 : x - Step 2: Convert to fraction form
195/486 = 486/x - Step 3: Cross multiply
195x = 486 × 486 - Step 4: Simplify right side
195x = 236,196 - Step 5: Solve for x
x = 236,196/195 - Step 6: Final answer
x = 1,211.26
Related Problems
Find third proportional to 97.50 and 243
Half scale
Find third proportional to 390 and 972
Double scale
Find third proportional to 197 and 491
Similar ratio
Find third proportional to 292.50 and 729
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.