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Finding the Third Proportional to 15,124 and 16,756

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Solution

The third proportional to 15,124 and 16,756 is: 18,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124 : 16,756 = 16,756 : x
  2. Step 2: Convert to fraction form
    15,124/16,756 = 16,756/x
  3. Step 3: Cross multiply
    15,124x = 16,756 × 16,756
  4. Step 4: Simplify right side
    15,124x = 280,763,536
  5. Step 5: Solve for x
    x = 280,763,536/15,124
  6. Step 6: Final answer
    x = 18,564.11

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.