Finding the Third Proportional to 2,021 and 4,439
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Solution
The third proportional to 2,021 and 4,439 is: 9,749.99
Step by Step Solution
- Step 1: Write the proportion equation
2,021 : 4,439 = 4,439 : x - Step 2: Convert to fraction form
2,021/4,439 = 4,439/x - Step 3: Cross multiply
2,021x = 4,439 × 4,439 - Step 4: Simplify right side
2,021x = 19,704,721 - Step 5: Solve for x
x = 19,704,721/2,021 - Step 6: Final answer
x = 9,749.99
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.