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Finding the Third Proportional to 28,639 and 58,087

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Solution

The third proportional to 28,639 and 58,087 is: 117,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,639 : 58,087 = 58,087 : x
  2. Step 2: Convert to fraction form
    28,639/58,087 = 58,087/x
  3. Step 3: Cross multiply
    28,639x = 58,087 × 58,087
  4. Step 4: Simplify right side
    28,639x = 3,374,099,569
  5. Step 5: Solve for x
    x = 3,374,099,569/28,639
  6. Step 6: Final answer
    x = 117,814.85

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.