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Finding the Third Proportional to 39,105 and 60,579

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Solution

The third proportional to 39,105 and 60,579 is: 93,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,105 : 60,579 = 60,579 : x
  2. Step 2: Convert to fraction form
    39,105/60,579 = 60,579/x
  3. Step 3: Cross multiply
    39,105x = 60,579 × 60,579
  4. Step 4: Simplify right side
    39,105x = 3,669,815,241
  5. Step 5: Solve for x
    x = 3,669,815,241/39,105
  6. Step 6: Final answer
    x = 93,845.17

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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.