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Finding the Third Proportional to 28,512 and 58,104

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Solution

The third proportional to 28,512 and 58,104 is: 118,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512 : 58,104 = 58,104 : x
  2. Step 2: Convert to fraction form
    28,512/58,104 = 58,104/x
  3. Step 3: Cross multiply
    28,512x = 58,104 × 58,104
  4. Step 4: Simplify right side
    28,512x = 3,376,074,816
  5. Step 5: Solve for x
    x = 3,376,074,816/28,512
  6. Step 6: Final answer
    x = 118,408.91

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.