Finding the Third Proportional to 208.50 and 357
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Solution
The third proportional to 208.50 and 357 is: 611.27
Step by Step Solution
- Step 1: Write the proportion equation
208.50 : 357 = 357 : x - Step 2: Convert to fraction form
208.50/357 = 357/x - Step 3: Cross multiply
208.50x = 357 × 357 - Step 4: Simplify right side
208.50x = 127,449 - Step 5: Solve for x
x = 127,449/208.50 - Step 6: Final answer
x = 611.27
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These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.