Finding the Third Proportional to 188.50 and 261.50
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Solution
The third proportional to 188.50 and 261.50 is: 362.77
Step by Step Solution
- Step 1: Write the proportion equation
188.50 : 261.50 = 261.50 : x - Step 2: Convert to fraction form
188.50/261.50 = 261.50/x - Step 3: Cross multiply
188.50x = 261.50 × 261.50 - Step 4: Simplify right side
188.50x = 68,382.25 - Step 5: Solve for x
x = 68,382.25/188.50 - Step 6: Final answer
x = 362.77
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.