Finding the Third Proportional to 287 and 375.50
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Solution
The third proportional to 287 and 375.50 is: 491.29
Step by Step Solution
- Step 1: Write the proportion equation
287 : 375.50 = 375.50 : x - Step 2: Convert to fraction form
287/375.50 = 375.50/x - Step 3: Cross multiply
287x = 375.50 × 375.50 - Step 4: Simplify right side
287x = 141,000.25 - Step 5: Solve for x
x = 141,000.25/287 - Step 6: Final answer
x = 491.29
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These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.