Finding the Third Proportional to 223 and 487
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Solution
The third proportional to 223 and 487 is: 1,063.54
Step by Step Solution
- Step 1: Write the proportion equation
223 : 487 = 487 : x - Step 2: Convert to fraction form
223/487 = 487/x - Step 3: Cross multiply
223x = 487 × 487 - Step 4: Simplify right side
223x = 237,169 - Step 5: Solve for x
x = 237,169/223 - Step 6: Final answer
x = 1,063.54
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.