Finding the Third Proportional to 5,539,803 and 8,509,815
Calculator
Solution
The third proportional to 5,539,803 and 8,509,815 is: 13,072,116.70
Step by Step Solution
- Step 1: Write the proportion equation
5,539,803 : 8,509,815 = 8,509,815 : x - Step 2: Convert to fraction form
5,539,803/8,509,815 = 8,509,815/x - Step 3: Cross multiply
5,539,803x = 8,509,815 × 8,509,815 - Step 4: Simplify right side
5,539,803x = 72,416,951,334,225 - Step 5: Solve for x
x = 72,416,951,334,225/5,539,803 - Step 6: Final answer
x = 13,072,116.70
Related Problems
Find third proportional to 2,769,901.50 and 4,254,907.50
Half scale
Find third proportional to 11,079,606 and 17,019,630
Double scale
Find third proportional to 5,539,805 and 8,509,818
Similar ratio
Find third proportional to 8,309,704.50 and 12,764,722.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.