Finding the Third Proportional to 340,936.17 and 717,816.09
Calculator
Solution
The third proportional to 340,936.17 and 717,816.09 is: 1,511,309.12
Step by Step Solution
- Step 1: Write the proportion equation
340,936.17 : 717,816.09 = 717,816.09 : x - Step 2: Convert to fraction form
340,936.17/717,816.09 = 717,816.09/x - Step 3: Cross multiply
340,936.17x = 717,816.09 × 717,816.09 - Step 4: Simplify right side
340,936.17x = 515,259,944,446.51 - Step 5: Solve for x
x = 515,259,944,446.51/340,936.17 - Step 6: Final answer
x = 1,511,309.12
Related Problems
Find third proportional to 170,468.09 and 358,908.05
Half scale
Find third proportional to 681,872.34 and 1,435,632.19
Double scale
Find third proportional to 340,938 and 717,820
Similar ratio
Find third proportional to 511,404.26 and 1,076,724.14
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.