Finding the Third Proportional to 300.38 and 405
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Solution
The third proportional to 300.38 and 405 is: 546.07
Step by Step Solution
- Step 1: Write the proportion equation
300.38 : 405 = 405 : x - Step 2: Convert to fraction form
300.38/405 = 405/x - Step 3: Cross multiply
300.38x = 405 × 405 - Step 4: Simplify right side
300.38x = 164,025 - Step 5: Solve for x
x = 164,025/300.38 - Step 6: Final answer
x = 546.07
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.