Finding the Third Proportional to 2,982 and 4,929
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Solution
The third proportional to 2,982 and 4,929 is: 8,147.23
Step by Step Solution
- Step 1: Write the proportion equation
2,982 : 4,929 = 4,929 : x - Step 2: Convert to fraction form
2,982/4,929 = 4,929/x - Step 3: Cross multiply
2,982x = 4,929 × 4,929 - Step 4: Simplify right side
2,982x = 24,295,041 - Step 5: Solve for x
x = 24,295,041/2,982 - Step 6: Final answer
x = 8,147.23
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Why These Related Problems?
These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.