Finding the Third Proportional to 253.50 and 275
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Solution
The third proportional to 253.50 and 275 is: 298.32
Step by Step Solution
- Step 1: Write the proportion equation
253.50 : 275 = 275 : x - Step 2: Convert to fraction form
253.50/275 = 275/x - Step 3: Cross multiply
253.50x = 275 × 275 - Step 4: Simplify right side
253.50x = 75,625 - Step 5: Solve for x
x = 75,625/253.50 - Step 6: Final answer
x = 298.32
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These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.