Finding the Third Proportional to 187 and 239
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Solution
The third proportional to 187 and 239 is: 305.46
Step by Step Solution
- Step 1: Write the proportion equation
187 : 239 = 239 : x - Step 2: Convert to fraction form
187/239 = 239/x - Step 3: Cross multiply
187x = 239 × 239 - Step 4: Simplify right side
187x = 57,121 - Step 5: Solve for x
x = 57,121/187 - Step 6: Final answer
x = 305.46
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Why These Related Problems?
These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.