Finding the Third Proportional to 8,490 and 17,898
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Solution
The third proportional to 8,490 and 17,898 is: 37,731.26
Step by Step Solution
- Step 1: Write the proportion equation
8,490 : 17,898 = 17,898 : x - Step 2: Convert to fraction form
8,490/17,898 = 17,898/x - Step 3: Cross multiply
8,490x = 17,898 × 17,898 - Step 4: Simplify right side
8,490x = 320,338,404 - Step 5: Solve for x
x = 320,338,404/8,490 - Step 6: Final answer
x = 37,731.26
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.