Finding the Third Proportional to 9,642 and 20,760
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Solution
The third proportional to 9,642 and 20,760 is: 44,697.95
Step by Step Solution
- Step 1: Write the proportion equation
9,642 : 20,760 = 20,760 : x - Step 2: Convert to fraction form
9,642/20,760 = 20,760/x - Step 3: Cross multiply
9,642x = 20,760 × 20,760 - Step 4: Simplify right side
9,642x = 430,977,600 - Step 5: Solve for x
x = 430,977,600/9,642 - Step 6: Final answer
x = 44,697.95
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.