Finding the Third Proportional to 21,929 and 47,697
Calculator
Solution
The third proportional to 21,929 and 47,697 is: 103,744.07
Step by Step Solution
- Step 1: Write the proportion equation
21,929 : 47,697 = 47,697 : x - Step 2: Convert to fraction form
21,929/47,697 = 47,697/x - Step 3: Cross multiply
21,929x = 47,697 × 47,697 - Step 4: Simplify right side
21,929x = 2,275,003,809 - Step 5: Solve for x
x = 2,275,003,809/21,929 - Step 6: Final answer
x = 103,744.07
Related Problems
Find third proportional to 10,964.50 and 23,848.50
Half scale
Find third proportional to 43,858 and 95,394
Double scale
Find third proportional to 21,931 and 47,701
Similar ratio
Find third proportional to 32,893.50 and 71,545.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.