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Finding the Third Proportional to 12,243 and 27,480.75

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Solution

The third proportional to 12,243 and 27,480.75 is: 61,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243 : 27,480.75 = 27,480.75 : x
  2. Step 2: Convert to fraction form
    12,243/27,480.75 = 27,480.75/x
  3. Step 3: Cross multiply
    12,243x = 27,480.75 × 27,480.75
  4. Step 4: Simplify right side
    12,243x = 755,191,620.56
  5. Step 5: Solve for x
    x = 755,191,620.56/12,243
  6. Step 6: Final answer
    x = 61,683.54

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.