Finding the Third Proportional to 745,938 and 1,157,139
Calculator
Solution
The third proportional to 745,938 and 1,157,139 is: 1,795,016.03
Step by Step Solution
- Step 1: Write the proportion equation
745,938 : 1,157,139 = 1,157,139 : x - Step 2: Convert to fraction form
745,938/1,157,139 = 1,157,139/x - Step 3: Cross multiply
745,938x = 1,157,139 × 1,157,139 - Step 4: Simplify right side
745,938x = 1,338,970,665,321 - Step 5: Solve for x
x = 1,338,970,665,321/745,938 - Step 6: Final answer
x = 1,795,016.03
Related Problems
Find third proportional to 372,969 and 578,569.50
Half scale
Find third proportional to 1,491,876 and 2,314,278
Double scale
Find third proportional to 745,940 and 1,157,142
Similar ratio
Find third proportional to 1,118,907 and 1,735,708.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.