Finding the Third Proportional to 2 and 3
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Solution
The third proportional to 2 and 3 is: 4.50
Step by Step Solution
- Step 1: Write the proportion equation
2 : 3 = 3 : x - Step 2: Convert to fraction form
2/3 = 3/x - Step 3: Cross multiply
2x = 3 × 3 - Step 4: Simplify right side
2x = 9 - Step 5: Solve for x
x = 9/2 - Step 6: Final answer
x = 4.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.