Finding the Third Proportional to 786,816 and 1,688,310
Calculator
Solution
The third proportional to 786,816 and 1,688,310 is: 3,622,690.26
Step by Step Solution
- Step 1: Write the proportion equation
786,816 : 1,688,310 = 1,688,310 : x - Step 2: Convert to fraction form
786,816/1,688,310 = 1,688,310/x - Step 3: Cross multiply
786,816x = 1,688,310 × 1,688,310 - Step 4: Simplify right side
786,816x = 2,850,390,656,100 - Step 5: Solve for x
x = 2,850,390,656,100/786,816 - Step 6: Final answer
x = 3,622,690.26
Related Problems
Find third proportional to 393,408 and 844,155
Half scale
Find third proportional to 1,573,632 and 3,376,620
Double scale
Find third proportional to 786,818 and 1,688,314
Similar ratio
Find third proportional to 1,180,224 and 2,532,465
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.