Finding the Third Proportional to 72,190 and 111,103
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Solution
The third proportional to 72,190 and 111,103 is: 170,991.50
Step by Step Solution
- Step 1: Write the proportion equation
72,190 : 111,103 = 111,103 : x - Step 2: Convert to fraction form
72,190/111,103 = 111,103/x - Step 3: Cross multiply
72,190x = 111,103 × 111,103 - Step 4: Simplify right side
72,190x = 12,343,876,609 - Step 5: Solve for x
x = 12,343,876,609/72,190 - Step 6: Final answer
x = 170,991.50
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.