Finding the Third Proportional to 20,461 and 27,775
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Solution
The third proportional to 20,461 and 27,775 is: 37,703.47
Step by Step Solution
- Step 1: Write the proportion equation
20,461 : 27,775 = 27,775 : x - Step 2: Convert to fraction form
20,461/27,775 = 27,775/x - Step 3: Cross multiply
20,461x = 27,775 × 27,775 - Step 4: Simplify right side
20,461x = 771,450,625 - Step 5: Solve for x
x = 771,450,625/20,461 - Step 6: Final answer
x = 37,703.47
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.