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Finding the Third Proportional to 28,821 and 62,088

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Solution

The third proportional to 28,821 and 62,088 is: 133,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821 : 62,088 = 62,088 : x
  2. Step 2: Convert to fraction form
    28,821/62,088 = 62,088/x
  3. Step 3: Cross multiply
    28,821x = 62,088 × 62,088
  4. Step 4: Simplify right side
    28,821x = 3,854,919,744
  5. Step 5: Solve for x
    x = 3,854,919,744/28,821
  6. Step 6: Final answer
    x = 133,753.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.