Finding the Third Proportional to 4,185 and 9,072
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Solution
The third proportional to 4,185 and 9,072 is: 19,665.75
Step by Step Solution
- Step 1: Write the proportion equation
4,185 : 9,072 = 9,072 : x - Step 2: Convert to fraction form
4,185/9,072 = 9,072/x - Step 3: Cross multiply
4,185x = 9,072 × 9,072 - Step 4: Simplify right side
4,185x = 82,301,184 - Step 5: Solve for x
x = 82,301,184/4,185 - Step 6: Final answer
x = 19,665.75
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.