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Finding the Third Proportional to 39,021 and 58,806

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Solution

The third proportional to 39,021 and 58,806 is: 88,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021 : 58,806 = 58,806 : x
  2. Step 2: Convert to fraction form
    39,021/58,806 = 58,806/x
  3. Step 3: Cross multiply
    39,021x = 58,806 × 58,806
  4. Step 4: Simplify right side
    39,021x = 3,458,145,636
  5. Step 5: Solve for x
    x = 3,458,145,636/39,021
  6. Step 6: Final answer
    x = 88,622.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.