Finding the Third Proportional to 98.72 and 151.88
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Solution
The third proportional to 98.72 and 151.88 is: 233.65
Step by Step Solution
- Step 1: Write the proportion equation
98.72 : 151.88 = 151.88 : x - Step 2: Convert to fraction form
98.72/151.88 = 151.88/x - Step 3: Cross multiply
98.72x = 151.88 × 151.88 - Step 4: Simplify right side
98.72x = 23,066.02 - Step 5: Solve for x
x = 23,066.02/98.72 - Step 6: Final answer
x = 233.65
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.