Finding the Third Proportional to 9,154 and 19,945
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Solution
The third proportional to 9,154 and 19,945 is: 43,456.74
Step by Step Solution
- Step 1: Write the proportion equation
9,154 : 19,945 = 19,945 : x - Step 2: Convert to fraction form
9,154/19,945 = 19,945/x - Step 3: Cross multiply
9,154x = 19,945 × 19,945 - Step 4: Simplify right side
9,154x = 397,803,025 - Step 5: Solve for x
x = 397,803,025/9,154 - Step 6: Final answer
x = 43,456.74
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.