Finding the Third Proportional to 187.50 and 266.50
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Solution
The third proportional to 187.50 and 266.50 is: 378.79
Step by Step Solution
- Step 1: Write the proportion equation
187.50 : 266.50 = 266.50 : x - Step 2: Convert to fraction form
187.50/266.50 = 266.50/x - Step 3: Cross multiply
187.50x = 266.50 × 266.50 - Step 4: Simplify right side
187.50x = 71,022.25 - Step 5: Solve for x
x = 71,022.25/187.50 - Step 6: Final answer
x = 378.79
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.