Finding the Third Proportional to 9,868 and 19,916
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Solution
The third proportional to 9,868 and 19,916 is: 40,195.28
Step by Step Solution
- Step 1: Write the proportion equation
9,868 : 19,916 = 19,916 : x - Step 2: Convert to fraction form
9,868/19,916 = 19,916/x - Step 3: Cross multiply
9,868x = 19,916 × 19,916 - Step 4: Simplify right side
9,868x = 396,647,056 - Step 5: Solve for x
x = 396,647,056/9,868 - Step 6: Final answer
x = 40,195.28
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Why These Related Problems?
These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.