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Finding the Third Proportional to 39,942 and 59,913

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Solution

The third proportional to 39,942 and 59,913 is: 89,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942 : 59,913 = 59,913 : x
  2. Step 2: Convert to fraction form
    39,942/59,913 = 59,913/x
  3. Step 3: Cross multiply
    39,942x = 59,913 × 59,913
  4. Step 4: Simplify right side
    39,942x = 3,589,567,569
  5. Step 5: Solve for x
    x = 3,589,567,569/39,942
  6. Step 6: Final answer
    x = 89,869.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.