Finding the Third Proportional to 18,414 and 39,939.75
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Solution
The third proportional to 18,414 and 39,939.75 is: 86,628.85
Step by Step Solution
- Step 1: Write the proportion equation
18,414 : 39,939.75 = 39,939.75 : x - Step 2: Convert to fraction form
18,414/39,939.75 = 39,939.75/x - Step 3: Cross multiply
18,414x = 39,939.75 × 39,939.75 - Step 4: Simplify right side
18,414x = 1,595,183,630.06 - Step 5: Solve for x
x = 1,595,183,630.06/18,414 - Step 6: Final answer
x = 86,628.85
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.