Finding the Third Proportional to 76.75 and 148
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Solution
The third proportional to 76.75 and 148 is: 285.39
Step by Step Solution
- Step 1: Write the proportion equation
76.75 : 148 = 148 : x - Step 2: Convert to fraction form
76.75/148 = 148/x - Step 3: Cross multiply
76.75x = 148 × 148 - Step 4: Simplify right side
76.75x = 21,904 - Step 5: Solve for x
x = 21,904/76.75 - Step 6: Final answer
x = 285.39
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Why These Related Problems?
These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.