Finding the Third Proportional to 9,721 and 15,081
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Solution
The third proportional to 9,721 and 15,081 is: 23,396.42
Step by Step Solution
- Step 1: Write the proportion equation
9,721 : 15,081 = 15,081 : x - Step 2: Convert to fraction form
9,721/15,081 = 15,081/x - Step 3: Cross multiply
9,721x = 15,081 × 15,081 - Step 4: Simplify right side
9,721x = 227,436,561 - Step 5: Solve for x
x = 227,436,561/9,721 - Step 6: Final answer
x = 23,396.42
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.