Finding the Third Proportional to 915,889 and 1,994,683
Calculator
Solution
The third proportional to 915,889 and 1,994,683 is: 4,344,151.17
Step by Step Solution
- Step 1: Write the proportion equation
915,889 : 1,994,683 = 1,994,683 : x - Step 2: Convert to fraction form
915,889/1,994,683 = 1,994,683/x - Step 3: Cross multiply
915,889x = 1,994,683 × 1,994,683 - Step 4: Simplify right side
915,889x = 3,978,760,270,489 - Step 5: Solve for x
x = 3,978,760,270,489/915,889 - Step 6: Final answer
x = 4,344,151.17
Related Problems
Find third proportional to 457,944.50 and 997,341.50
Half scale
Find third proportional to 1,831,778 and 3,989,366
Double scale
Find third proportional to 915,891 and 1,994,687
Similar ratio
Find third proportional to 1,373,833.50 and 2,992,024.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.