Finding the Third Proportional to 2 and 5.38
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Solution
The third proportional to 2 and 5.38 is: 14.45
Step by Step Solution
- Step 1: Write the proportion equation
2 : 5.38 = 5.38 : x - Step 2: Convert to fraction form
2/5.38 = 5.38/x - Step 3: Cross multiply
2x = 5.38 × 5.38 - Step 4: Simplify right side
2x = 28.89 - Step 5: Solve for x
x = 28.89/2 - Step 6: Final answer
x = 14.45
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Why These Related Problems?
These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.