Finding the Third Proportional to 1,242 and 2,732
Calculator
Solution
The third proportional to 1,242 and 2,732 is: 6,009.52
Step by Step Solution
- Step 1: Write the proportion equation
1,242 : 2,732 = 2,732 : x - Step 2: Convert to fraction form
1,242/2,732 = 2,732/x - Step 3: Cross multiply
1,242x = 2,732 × 2,732 - Step 4: Simplify right side
1,242x = 7,463,824 - Step 5: Solve for x
x = 7,463,824/1,242 - Step 6: Final answer
x = 6,009.52
Related Problems
Find third proportional to 621 and 1,366
Half scale
Find third proportional to 2,484 and 5,464
Double scale
Find third proportional to 1,244 and 2,736
Similar ratio
Find third proportional to 1,863 and 4,098
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.