Finding the Third Proportional to 21,174 and 27,843
Calculator
Solution
The third proportional to 21,174 and 27,843 is: 36,612.48
Step by Step Solution
- Step 1: Write the proportion equation
21,174 : 27,843 = 27,843 : x - Step 2: Convert to fraction form
21,174/27,843 = 27,843/x - Step 3: Cross multiply
21,174x = 27,843 × 27,843 - Step 4: Simplify right side
21,174x = 775,232,649 - Step 5: Solve for x
x = 775,232,649/21,174 - Step 6: Final answer
x = 36,612.48
Related Problems
Find third proportional to 10,587 and 13,921.50
Half scale
Find third proportional to 42,348 and 55,686
Double scale
Find third proportional to 21,176 and 27,846
Similar ratio
Find third proportional to 31,761 and 41,764.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.