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Finding the Third Proportional to 12,112 and 26,669

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Solution

The third proportional to 12,112 and 26,669 is: 58,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112 : 26,669 = 26,669 : x
  2. Step 2: Convert to fraction form
    12,112/26,669 = 26,669/x
  3. Step 3: Cross multiply
    12,112x = 26,669 × 26,669
  4. Step 4: Simplify right side
    12,112x = 711,235,561
  5. Step 5: Solve for x
    x = 711,235,561/12,112
  6. Step 6: Final answer
    x = 58,721.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.