Finding the Third Proportional to 13,920 and 17,613
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Solution
The third proportional to 13,920 and 17,613 is: 22,285.76
Step by Step Solution
- Step 1: Write the proportion equation
13,920 : 17,613 = 17,613 : x - Step 2: Convert to fraction form
13,920/17,613 = 17,613/x - Step 3: Cross multiply
13,920x = 17,613 × 17,613 - Step 4: Simplify right side
13,920x = 310,217,769 - Step 5: Solve for x
x = 310,217,769/13,920 - Step 6: Final answer
x = 22,285.76
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Why These Related Problems?
These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.