Finding the Third Proportional to 396.50 and 922
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Solution
The third proportional to 396.50 and 922 is: 2,143.97
Step by Step Solution
- Step 1: Write the proportion equation
396.50 : 922 = 922 : x - Step 2: Convert to fraction form
396.50/922 = 922/x - Step 3: Cross multiply
396.50x = 922 × 922 - Step 4: Simplify right side
396.50x = 850,084 - Step 5: Solve for x
x = 850,084/396.50 - Step 6: Final answer
x = 2,143.97
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These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.