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Finding the Third Proportional to 12,904 and 27,388

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Solution

The third proportional to 12,904 and 27,388 is: 58,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904 : 27,388 = 27,388 : x
  2. Step 2: Convert to fraction form
    12,904/27,388 = 27,388/x
  3. Step 3: Cross multiply
    12,904x = 27,388 × 27,388
  4. Step 4: Simplify right side
    12,904x = 750,102,544
  5. Step 5: Solve for x
    x = 750,102,544/12,904
  6. Step 6: Final answer
    x = 58,129.46

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.