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Finding the Third Proportional to 11,354 and 18,763

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Solution

The third proportional to 11,354 and 18,763 is: 31,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354 : 18,763 = 18,763 : x
  2. Step 2: Convert to fraction form
    11,354/18,763 = 18,763/x
  3. Step 3: Cross multiply
    11,354x = 18,763 × 18,763
  4. Step 4: Simplify right side
    11,354x = 352,050,169
  5. Step 5: Solve for x
    x = 352,050,169/11,354
  6. Step 6: Final answer
    x = 31,006.71

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.