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Finding the Third Proportional to 3,388 and 4,656

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Solution

The third proportional to 3,388 and 4,656 is: 6,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388 : 4,656 = 4,656 : x
  2. Step 2: Convert to fraction form
    3,388/4,656 = 4,656/x
  3. Step 3: Cross multiply
    3,388x = 4,656 × 4,656
  4. Step 4: Simplify right side
    3,388x = 21,678,336
  5. Step 5: Solve for x
    x = 21,678,336/3,388
  6. Step 6: Final answer
    x = 6,398.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.