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Finding the Third Proportional to 460 and 554

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Solution

The third proportional to 460 and 554 is: 667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    460 : 554 = 554 : x
  2. Step 2: Convert to fraction form
    460/554 = 554/x
  3. Step 3: Cross multiply
    460x = 554 × 554
  4. Step 4: Simplify right side
    460x = 306,916
  5. Step 5: Solve for x
    x = 306,916/460
  6. Step 6: Final answer
    x = 667.21

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.