Finding the Third Proportional to 21,930 and 33,442
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Solution
The third proportional to 21,930 and 33,442 is: 50,997.14
Step by Step Solution
- Step 1: Write the proportion equation
21,930 : 33,442 = 33,442 : x - Step 2: Convert to fraction form
21,930/33,442 = 33,442/x - Step 3: Cross multiply
21,930x = 33,442 × 33,442 - Step 4: Simplify right side
21,930x = 1,118,367,364 - Step 5: Solve for x
x = 1,118,367,364/21,930 - Step 6: Final answer
x = 50,997.14
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.