Finding the Third Proportional to 12,957,289 and 29,996,917
Calculator
Solution
The third proportional to 12,957,289 and 29,996,917 is: 69,444,698.62
Step by Step Solution
- Step 1: Write the proportion equation
12,957,289 : 29,996,917 = 29,996,917 : x - Step 2: Convert to fraction form
12,957,289/29,996,917 = 29,996,917/x - Step 3: Cross multiply
12,957,289x = 29,996,917 × 29,996,917 - Step 4: Simplify right side
12,957,289x = 899,815,029,504,889 - Step 5: Solve for x
x = 899,815,029,504,889/12,957,289 - Step 6: Final answer
x = 69,444,698.62
Related Problems
Find third proportional to 6,478,644.50 and 14,998,458.50
Half scale
Find third proportional to 25,914,578 and 59,993,834
Double scale
Find third proportional to 12,957,291 and 29,996,922
Similar ratio
Find third proportional to 19,435,933.50 and 44,995,375.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.