Finding the Third Proportional to 49,920 and 109,218
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Solution
The third proportional to 49,920 and 109,218 is: 238,953.76
Step by Step Solution
- Step 1: Write the proportion equation
49,920 : 109,218 = 109,218 : x - Step 2: Convert to fraction form
49,920/109,218 = 109,218/x - Step 3: Cross multiply
49,920x = 109,218 × 109,218 - Step 4: Simplify right side
49,920x = 11,928,571,524 - Step 5: Solve for x
x = 11,928,571,524/49,920 - Step 6: Final answer
x = 238,953.76
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.