Finding the Third Proportional to 29,220 and 47,474
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Solution
The third proportional to 29,220 and 47,474 is: 77,131.44
Step by Step Solution
- Step 1: Write the proportion equation
29,220 : 47,474 = 47,474 : x - Step 2: Convert to fraction form
29,220/47,474 = 47,474/x - Step 3: Cross multiply
29,220x = 47,474 × 47,474 - Step 4: Simplify right side
29,220x = 2,253,780,676 - Step 5: Solve for x
x = 2,253,780,676/29,220 - Step 6: Final answer
x = 77,131.44
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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.