Finding the Third Proportional to 16.88 and 36.38
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Solution
The third proportional to 16.88 and 36.38 is: 78.41
Step by Step Solution
- Step 1: Write the proportion equation
16.88 : 36.38 = 36.38 : x - Step 2: Convert to fraction form
16.88/36.38 = 36.38/x - Step 3: Cross multiply
16.88x = 36.38 × 36.38 - Step 4: Simplify right side
16.88x = 1,323.14 - Step 5: Solve for x
x = 1,323.14/16.88 - Step 6: Final answer
x = 78.41
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.