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Finding the Third Proportional to 13,828 and 19,174

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Solution

The third proportional to 13,828 and 19,174 is: 26,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828 : 19,174 = 19,174 : x
  2. Step 2: Convert to fraction form
    13,828/19,174 = 19,174/x
  3. Step 3: Cross multiply
    13,828x = 19,174 × 19,174
  4. Step 4: Simplify right side
    13,828x = 367,642,276
  5. Step 5: Solve for x
    x = 367,642,276/13,828
  6. Step 6: Final answer
    x = 26,586.80

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.