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Finding the Third Proportional to 12,944 and 18,976

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Solution

The third proportional to 12,944 and 18,976 is: 27,818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944 : 18,976 = 18,976 : x
  2. Step 2: Convert to fraction form
    12,944/18,976 = 18,976/x
  3. Step 3: Cross multiply
    12,944x = 18,976 × 18,976
  4. Step 4: Simplify right side
    12,944x = 360,088,576
  5. Step 5: Solve for x
    x = 360,088,576/12,944
  6. Step 6: Final answer
    x = 27,818.96

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.