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Finding the Third Proportional to 11,885 and 26,130

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Solution

The third proportional to 11,885 and 26,130 is: 57,448.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885 : 26,130 = 26,130 : x
  2. Step 2: Convert to fraction form
    11,885/26,130 = 26,130/x
  3. Step 3: Cross multiply
    11,885x = 26,130 × 26,130
  4. Step 4: Simplify right side
    11,885x = 682,776,900
  5. Step 5: Solve for x
    x = 682,776,900/11,885
  6. Step 6: Final answer
    x = 57,448.62

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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.