Finding the Third Proportional to 100,122.19 and 218,707.31
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Solution
The third proportional to 100,122.19 and 218,707.31 is: 477,745.14
Step by Step Solution
- Step 1: Write the proportion equation
100,122.19 : 218,707.31 = 218,707.31 : x - Step 2: Convert to fraction form
100,122.19/218,707.31 = 218,707.31/x - Step 3: Cross multiply
100,122.19x = 218,707.31 × 218,707.31 - Step 4: Simplify right side
100,122.19x = 47,832,888,540.97 - Step 5: Solve for x
x = 47,832,888,540.97/100,122.19 - Step 6: Final answer
x = 477,745.14
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.