Finding the Third Proportional to 21,210 and 49,308
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Solution
The third proportional to 21,210 and 49,308 is: 114,628.90
Step by Step Solution
- Step 1: Write the proportion equation
21,210 : 49,308 = 49,308 : x - Step 2: Convert to fraction form
21,210/49,308 = 49,308/x - Step 3: Cross multiply
21,210x = 49,308 × 49,308 - Step 4: Simplify right side
21,210x = 2,431,278,864 - Step 5: Solve for x
x = 2,431,278,864/21,210 - Step 6: Final answer
x = 114,628.90
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Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.