Finding the Third Proportional to 4,480 and 9,786
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Solution
The third proportional to 4,480 and 9,786 is: 21,376.29
Step by Step Solution
- Step 1: Write the proportion equation
4,480 : 9,786 = 9,786 : x - Step 2: Convert to fraction form
4,480/9,786 = 9,786/x - Step 3: Cross multiply
4,480x = 9,786 × 9,786 - Step 4: Simplify right side
4,480x = 95,765,796 - Step 5: Solve for x
x = 95,765,796/4,480 - Step 6: Final answer
x = 21,376.29
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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.