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Finding the Third Proportional to 466 and 728

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Solution

The third proportional to 466 and 728 is: 1,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    466 : 728 = 728 : x
  2. Step 2: Convert to fraction form
    466/728 = 728/x
  3. Step 3: Cross multiply
    466x = 728 × 728
  4. Step 4: Simplify right side
    466x = 529,984
  5. Step 5: Solve for x
    x = 529,984/466
  6. Step 6: Final answer
    x = 1,137.30

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.