Finding the Third Proportional to 512 and 1,376
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Solution
The third proportional to 512 and 1,376 is: 3,698
Step by Step Solution
- Step 1: Write the proportion equation
512 : 1,376 = 1,376 : x - Step 2: Convert to fraction form
512/1,376 = 1,376/x - Step 3: Cross multiply
512x = 1,376 × 1,376 - Step 4: Simplify right side
512x = 1,893,376 - Step 5: Solve for x
x = 1,893,376/512 - Step 6: Final answer
x = 3,698
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Why These Related Problems?
These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.