Finding the Third Proportional to 21,611 and 31,588
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Solution
The third proportional to 21,611 and 31,588 is: 46,171.01
Step by Step Solution
- Step 1: Write the proportion equation
21,611 : 31,588 = 31,588 : x - Step 2: Convert to fraction form
21,611/31,588 = 31,588/x - Step 3: Cross multiply
21,611x = 31,588 × 31,588 - Step 4: Simplify right side
21,611x = 997,801,744 - Step 5: Solve for x
x = 997,801,744/21,611 - Step 6: Final answer
x = 46,171.01
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.