Finding the Third Proportional to 7,129,249 and 15,394,855
Calculator
Solution
The third proportional to 7,129,249 and 15,394,855 is: 33,243,552.09
Step by Step Solution
- Step 1: Write the proportion equation
7,129,249 : 15,394,855 = 15,394,855 : x - Step 2: Convert to fraction form
7,129,249/15,394,855 = 15,394,855/x - Step 3: Cross multiply
7,129,249x = 15,394,855 × 15,394,855 - Step 4: Simplify right side
7,129,249x = 237,001,560,471,025 - Step 5: Solve for x
x = 237,001,560,471,025/7,129,249 - Step 6: Final answer
x = 33,243,552.09
Related Problems
Find third proportional to 3,564,624.50 and 7,697,427.50
Half scale
Find third proportional to 14,258,498 and 30,789,710
Double scale
Find third proportional to 7,129,251 and 15,394,859
Similar ratio
Find third proportional to 10,693,873.50 and 23,092,282.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.