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Finding the Third Proportional to 39,647 and 61,484

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Solution

The third proportional to 39,647 and 61,484 is: 95,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647 : 61,484 = 61,484 : x
  2. Step 2: Convert to fraction form
    39,647/61,484 = 61,484/x
  3. Step 3: Cross multiply
    39,647x = 61,484 × 61,484
  4. Step 4: Simplify right side
    39,647x = 3,780,282,256
  5. Step 5: Solve for x
    x = 3,780,282,256/39,647
  6. Step 6: Final answer
    x = 95,348.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.