Finding the Third Proportional to 921,694 and 1,916,963
Calculator
Solution
The third proportional to 921,694 and 1,916,963 is: 3,986,949.19
Step by Step Solution
- Step 1: Write the proportion equation
921,694 : 1,916,963 = 1,916,963 : x - Step 2: Convert to fraction form
921,694/1,916,963 = 1,916,963/x - Step 3: Cross multiply
921,694x = 1,916,963 × 1,916,963 - Step 4: Simplify right side
921,694x = 3,674,747,143,369 - Step 5: Solve for x
x = 3,674,747,143,369/921,694 - Step 6: Final answer
x = 3,986,949.19
Related Problems
Find third proportional to 460,847 and 958,481.50
Half scale
Find third proportional to 1,843,388 and 3,833,926
Double scale
Find third proportional to 921,696 and 1,916,967
Similar ratio
Find third proportional to 1,382,541 and 2,875,444.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.