Finding the Third Proportional to 300 and 487
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Solution
The third proportional to 300 and 487 is: 790.56
Step by Step Solution
- Step 1: Write the proportion equation
300 : 487 = 487 : x - Step 2: Convert to fraction form
300/487 = 487/x - Step 3: Cross multiply
300x = 487 × 487 - Step 4: Simplify right side
300x = 237,169 - Step 5: Solve for x
x = 237,169/300 - Step 6: Final answer
x = 790.56
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These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.