Finding the Third Proportional to 7,129,261 and 15,394,879
Calculator
Solution
The third proportional to 7,129,261 and 15,394,879 is: 33,243,599.78
Step by Step Solution
- Step 1: Write the proportion equation
7,129,261 : 15,394,879 = 15,394,879 : x - Step 2: Convert to fraction form
7,129,261/15,394,879 = 15,394,879/x - Step 3: Cross multiply
7,129,261x = 15,394,879 × 15,394,879 - Step 4: Simplify right side
7,129,261x = 237,002,299,424,641 - Step 5: Solve for x
x = 237,002,299,424,641/7,129,261 - Step 6: Final answer
x = 33,243,599.78
Related Problems
Find third proportional to 3,564,630.50 and 7,697,439.50
Half scale
Find third proportional to 14,258,522 and 30,789,758
Double scale
Find third proportional to 7,129,263 and 15,394,883
Similar ratio
Find third proportional to 10,693,891.50 and 23,092,318.50
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.