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Finding the Third Proportional to 15,600 and 27,735

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Solution

The third proportional to 15,600 and 27,735 is: 49,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600 : 27,735 = 27,735 : x
  2. Step 2: Convert to fraction form
    15,600/27,735 = 27,735/x
  3. Step 3: Cross multiply
    15,600x = 27,735 × 27,735
  4. Step 4: Simplify right side
    15,600x = 769,230,225
  5. Step 5: Solve for x
    x = 769,230,225/15,600
  6. Step 6: Final answer
    x = 49,309.63

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.