Finding the Third Proportional to 4,890 and 10,752
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Solution
The third proportional to 4,890 and 10,752 is: 23,641.21
Step by Step Solution
- Step 1: Write the proportion equation
4,890 : 10,752 = 10,752 : x - Step 2: Convert to fraction form
4,890/10,752 = 10,752/x - Step 3: Cross multiply
4,890x = 10,752 × 10,752 - Step 4: Simplify right side
4,890x = 115,605,504 - Step 5: Solve for x
x = 115,605,504/4,890 - Step 6: Final answer
x = 23,641.21
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.