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Finding the Third Proportional to 12,111.75 and 26,133.75

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Solution

The third proportional to 12,111.75 and 26,133.75 is: 56,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111.75 : 26,133.75 = 26,133.75 : x
  2. Step 2: Convert to fraction form
    12,111.75/26,133.75 = 26,133.75/x
  3. Step 3: Cross multiply
    12,111.75x = 26,133.75 × 26,133.75
  4. Step 4: Simplify right side
    12,111.75x = 682,972,889.06
  5. Step 5: Solve for x
    x = 682,972,889.06/12,111.75
  6. Step 6: Final answer
    x = 56,389.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.