Finding the Third Proportional to 253.50 and 287
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Solution
The third proportional to 253.50 and 287 is: 324.93
Step by Step Solution
- Step 1: Write the proportion equation
253.50 : 287 = 287 : x - Step 2: Convert to fraction form
253.50/287 = 287/x - Step 3: Cross multiply
253.50x = 287 × 287 - Step 4: Simplify right side
253.50x = 82,369 - Step 5: Solve for x
x = 82,369/253.50 - Step 6: Final answer
x = 324.93
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These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.