Finding the Third Proportional to 18,678 and 40,512
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Solution
The third proportional to 18,678 and 40,512 is: 87,869.27
Step by Step Solution
- Step 1: Write the proportion equation
18,678 : 40,512 = 40,512 : x - Step 2: Convert to fraction form
18,678/40,512 = 40,512/x - Step 3: Cross multiply
18,678x = 40,512 × 40,512 - Step 4: Simplify right side
18,678x = 1,641,222,144 - Step 5: Solve for x
x = 1,641,222,144/18,678 - Step 6: Final answer
x = 87,869.27
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.