Finding the Third Proportional to 12,902.50 and 19,941
Calculator
Solution
The third proportional to 12,902.50 and 19,941 is: 30,819.10
Step by Step Solution
- Step 1: Write the proportion equation
12,902.50 : 19,941 = 19,941 : x - Step 2: Convert to fraction form
12,902.50/19,941 = 19,941/x - Step 3: Cross multiply
12,902.50x = 19,941 × 19,941 - Step 4: Simplify right side
12,902.50x = 397,643,481 - Step 5: Solve for x
x = 397,643,481/12,902.50 - Step 6: Final answer
x = 30,819.10
Related Problems
Find third proportional to 6,451.25 and 9,970.50
Half scale
Find third proportional to 25,805 and 39,882
Double scale
Find third proportional to 12,905 and 19,944
Similar ratio
Find third proportional to 19,353.75 and 29,911.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.