Finding the Third Proportional to 236 and 393.25
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Solution
The third proportional to 236 and 393.25 is: 655.28
Step by Step Solution
- Step 1: Write the proportion equation
236 : 393.25 = 393.25 : x - Step 2: Convert to fraction form
236/393.25 = 393.25/x - Step 3: Cross multiply
236x = 393.25 × 393.25 - Step 4: Simplify right side
236x = 154,645.56 - Step 5: Solve for x
x = 154,645.56/236 - Step 6: Final answer
x = 655.28
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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.