Finding the Third Proportional to 691,137 and 1,081,850.63
Calculator
Solution
The third proportional to 691,137 and 1,081,850.63 is: 1,693,442.51
Step by Step Solution
- Step 1: Write the proportion equation
691,137 : 1,081,850.63 = 1,081,850.63 : x - Step 2: Convert to fraction form
691,137/1,081,850.63 = 1,081,850.63/x - Step 3: Cross multiply
691,137x = 1,081,850.63 × 1,081,850.63 - Step 4: Simplify right side
691,137x = 1,170,400,774,812.89 - Step 5: Solve for x
x = 1,170,400,774,812.89/691,137 - Step 6: Final answer
x = 1,693,442.51
Related Problems
Find third proportional to 345,568.50 and 540,925.31
Half scale
Find third proportional to 1,382,274 and 2,163,701.25
Double scale
Find third proportional to 691,139 and 1,081,854
Similar ratio
Find third proportional to 1,036,705.50 and 1,622,775.94
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.