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Finding the Third Proportional to 39,636 and 65,346.75

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Solution

The third proportional to 39,636 and 65,346.75 is: 107,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636 : 65,346.75 = 65,346.75 : x
  2. Step 2: Convert to fraction form
    39,636/65,346.75 = 65,346.75/x
  3. Step 3: Cross multiply
    39,636x = 65,346.75 × 65,346.75
  4. Step 4: Simplify right side
    39,636x = 4,270,197,735.56
  5. Step 5: Solve for x
    x = 4,270,197,735.56/39,636
  6. Step 6: Final answer
    x = 107,735.33

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.