Finding the Third Proportional to 890,409 and 1,972,896
Calculator
Solution
The third proportional to 890,409 and 1,972,896 is: 4,371,382.84
Step by Step Solution
- Step 1: Write the proportion equation
890,409 : 1,972,896 = 1,972,896 : x - Step 2: Convert to fraction form
890,409/1,972,896 = 1,972,896/x - Step 3: Cross multiply
890,409x = 1,972,896 × 1,972,896 - Step 4: Simplify right side
890,409x = 3,892,318,626,816 - Step 5: Solve for x
x = 3,892,318,626,816/890,409 - Step 6: Final answer
x = 4,371,382.84
Related Problems
Find third proportional to 445,204.50 and 986,448
Half scale
Find third proportional to 1,780,818 and 3,945,792
Double scale
Find third proportional to 890,411 and 1,972,900
Similar ratio
Find third proportional to 1,335,613.50 and 2,959,344
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.