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Finding the Third Proportional to 384 and 739

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Solution

The third proportional to 384 and 739 is: 1,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    384 : 739 = 739 : x
  2. Step 2: Convert to fraction form
    384/739 = 739/x
  3. Step 3: Cross multiply
    384x = 739 × 739
  4. Step 4: Simplify right side
    384x = 546,121
  5. Step 5: Solve for x
    x = 546,121/384
  6. Step 6: Final answer
    x = 1,422.19

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.