Finding the Third Proportional to 398 and 606
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Solution
The third proportional to 398 and 606 is: 922.70
Step by Step Solution
- Step 1: Write the proportion equation
398 : 606 = 606 : x - Step 2: Convert to fraction form
398/606 = 606/x - Step 3: Cross multiply
398x = 606 × 606 - Step 4: Simplify right side
398x = 367,236 - Step 5: Solve for x
x = 367,236/398 - Step 6: Final answer
x = 922.70
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.