Finding the Third Proportional to 8,820 and 21,054
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Solution
The third proportional to 8,820 and 21,054 is: 50,257.47
Step by Step Solution
- Step 1: Write the proportion equation
8,820 : 21,054 = 21,054 : x - Step 2: Convert to fraction form
8,820/21,054 = 21,054/x - Step 3: Cross multiply
8,820x = 21,054 × 21,054 - Step 4: Simplify right side
8,820x = 443,270,916 - Step 5: Solve for x
x = 443,270,916/8,820 - Step 6: Final answer
x = 50,257.47
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Why These Related Problems?
These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.