Finding the Third Proportional to 312,157.13 and 670,924.69
Calculator
Solution
The third proportional to 312,157.13 and 670,924.69 is: 1,442,029.99
Step by Step Solution
- Step 1: Write the proportion equation
312,157.13 : 670,924.69 = 670,924.69 : x - Step 2: Convert to fraction form
312,157.13/670,924.69 = 670,924.69/x - Step 3: Cross multiply
312,157.13x = 670,924.69 × 670,924.69 - Step 4: Simplify right side
312,157.13x = 450,139,936,296.97 - Step 5: Solve for x
x = 450,139,936,296.97/312,157.13 - Step 6: Final answer
x = 1,442,029.99
Related Problems
Find third proportional to 156,078.56 and 335,462.34
Half scale
Find third proportional to 624,314.25 and 1,341,849.38
Double scale
Find third proportional to 312,159 and 670,929
Similar ratio
Find third proportional to 468,235.69 and 1,006,387.03
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.