Finding the Third Proportional to 2,421 and 4,950
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Solution
The third proportional to 2,421 and 4,950 is: 10,120.82
Step by Step Solution
- Step 1: Write the proportion equation
2,421 : 4,950 = 4,950 : x - Step 2: Convert to fraction form
2,421/4,950 = 4,950/x - Step 3: Cross multiply
2,421x = 4,950 × 4,950 - Step 4: Simplify right side
2,421x = 24,502,500 - Step 5: Solve for x
x = 24,502,500/2,421 - Step 6: Final answer
x = 10,120.82
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.