Finding the Third Proportional to 2,916 and 6,156
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Solution
The third proportional to 2,916 and 6,156 is: 12,996
Step by Step Solution
- Step 1: Write the proportion equation
2,916 : 6,156 = 6,156 : x - Step 2: Convert to fraction form
2,916/6,156 = 6,156/x - Step 3: Cross multiply
2,916x = 6,156 × 6,156 - Step 4: Simplify right side
2,916x = 37,896,336 - Step 5: Solve for x
x = 37,896,336/2,916 - Step 6: Final answer
x = 12,996
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.