Finding the Third Proportional to 7,960 and 11,135
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Solution
The third proportional to 7,960 and 11,135 is: 15,576.41
Step by Step Solution
- Step 1: Write the proportion equation
7,960 : 11,135 = 11,135 : x - Step 2: Convert to fraction form
7,960/11,135 = 11,135/x - Step 3: Cross multiply
7,960x = 11,135 × 11,135 - Step 4: Simplify right side
7,960x = 123,988,225 - Step 5: Solve for x
x = 123,988,225/7,960 - Step 6: Final answer
x = 15,576.41
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.