Finding the Third Proportional to 3,900 and 6,324
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Solution
The third proportional to 3,900 and 6,324 is: 10,254.61
Step by Step Solution
- Step 1: Write the proportion equation
3,900 : 6,324 = 6,324 : x - Step 2: Convert to fraction form
3,900/6,324 = 6,324/x - Step 3: Cross multiply
3,900x = 6,324 × 6,324 - Step 4: Simplify right side
3,900x = 39,992,976 - Step 5: Solve for x
x = 39,992,976/3,900 - Step 6: Final answer
x = 10,254.61
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Why These Related Problems?
These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.