Finding the Third Proportional to 5,615,638 and 8,212,855
Calculator
Solution
The third proportional to 5,615,638 and 8,212,855 is: 12,011,277.66
Step by Step Solution
- Step 1: Write the proportion equation
5,615,638 : 8,212,855 = 8,212,855 : x - Step 2: Convert to fraction form
5,615,638/8,212,855 = 8,212,855/x - Step 3: Cross multiply
5,615,638x = 8,212,855 × 8,212,855 - Step 4: Simplify right side
5,615,638x = 67,450,987,251,025 - Step 5: Solve for x
x = 67,450,987,251,025/5,615,638 - Step 6: Final answer
x = 12,011,277.66
Related Problems
Find third proportional to 2,807,819 and 4,106,427.50
Half scale
Find third proportional to 11,231,276 and 16,425,710
Double scale
Find third proportional to 5,615,640 and 8,212,858
Similar ratio
Find third proportional to 8,423,457 and 12,319,282.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.