Finding the Third Proportional to 120,030.19 and 277,878.94
Calculator
Solution
The third proportional to 120,030.19 and 277,878.94 is: 643,310.70
Step by Step Solution
- Step 1: Write the proportion equation
120,030.19 : 277,878.94 = 277,878.94 : x - Step 2: Convert to fraction form
120,030.19/277,878.94 = 277,878.94/x - Step 3: Cross multiply
120,030.19x = 277,878.94 × 277,878.94 - Step 4: Simplify right side
120,030.19x = 77,216,703,906.13 - Step 5: Solve for x
x = 77,216,703,906.13/120,030.19 - Step 6: Final answer
x = 643,310.70
Related Problems
Find third proportional to 60,015.09 and 138,939.47
Half scale
Find third proportional to 240,060.38 and 555,757.88
Double scale
Find third proportional to 120,032 and 277,884
Similar ratio
Find third proportional to 180,045.28 and 416,818.41
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.