Finding the Third Proportional to 3,784 and 5,005
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Solution
The third proportional to 3,784 and 5,005 is: 6,619.99
Step by Step Solution
- Step 1: Write the proportion equation
3,784 : 5,005 = 5,005 : x - Step 2: Convert to fraction form
3,784/5,005 = 5,005/x - Step 3: Cross multiply
3,784x = 5,005 × 5,005 - Step 4: Simplify right side
3,784x = 25,050,025 - Step 5: Solve for x
x = 25,050,025/3,784 - Step 6: Final answer
x = 6,619.99
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Why These Related Problems?
These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.