Finding the Third Proportional to 262.50 and 315
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Solution
The third proportional to 262.50 and 315 is: 378
Step by Step Solution
- Step 1: Write the proportion equation
262.50 : 315 = 315 : x - Step 2: Convert to fraction form
262.50/315 = 315/x - Step 3: Cross multiply
262.50x = 315 × 315 - Step 4: Simplify right side
262.50x = 99,225 - Step 5: Solve for x
x = 99,225/262.50 - Step 6: Final answer
x = 378
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These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.