Finding the Third Proportional to 18,272 and 37,840
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Solution
The third proportional to 18,272 and 37,840 is: 78,363.92
Step by Step Solution
- Step 1: Write the proportion equation
18,272 : 37,840 = 37,840 : x - Step 2: Convert to fraction form
18,272/37,840 = 37,840/x - Step 3: Cross multiply
18,272x = 37,840 × 37,840 - Step 4: Simplify right side
18,272x = 1,431,865,600 - Step 5: Solve for x
x = 1,431,865,600/18,272 - Step 6: Final answer
x = 78,363.92
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.