Finding the Third Proportional to 18,723 and 39,755
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Solution
The third proportional to 18,723 and 39,755 is: 84,412.76
Step by Step Solution
- Step 1: Write the proportion equation
18,723 : 39,755 = 39,755 : x - Step 2: Convert to fraction form
18,723/39,755 = 39,755/x - Step 3: Cross multiply
18,723x = 39,755 × 39,755 - Step 4: Simplify right side
18,723x = 1,580,460,025 - Step 5: Solve for x
x = 1,580,460,025/18,723 - Step 6: Final answer
x = 84,412.76
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.