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Finding the Third Proportional to 4,338 and 6,713

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Solution

The third proportional to 4,338 and 6,713 is: 10,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338 : 6,713 = 6,713 : x
  2. Step 2: Convert to fraction form
    4,338/6,713 = 6,713/x
  3. Step 3: Cross multiply
    4,338x = 6,713 × 6,713
  4. Step 4: Simplify right side
    4,338x = 45,064,369
  5. Step 5: Solve for x
    x = 45,064,369/4,338
  6. Step 6: Final answer
    x = 10,388.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.