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Finding the Third Proportional to 13,239 and 19,453.13

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Solution

The third proportional to 13,239 and 19,453.13 is: 28,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239 : 19,453.13 = 19,453.13 : x
  2. Step 2: Convert to fraction form
    13,239/19,453.13 = 19,453.13/x
  3. Step 3: Cross multiply
    13,239x = 19,453.13 × 19,453.13
  4. Step 4: Simplify right side
    13,239x = 378,424,072.27
  5. Step 5: Solve for x
    x = 378,424,072.27/13,239
  6. Step 6: Final answer
    x = 28,584.04

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.