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Finding the Third Proportional to 133,569 and 208,013

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Solution

The third proportional to 133,569 and 208,013 is: 323,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,569 : 208,013 = 208,013 : x
  2. Step 2: Convert to fraction form
    133,569/208,013 = 208,013/x
  3. Step 3: Cross multiply
    133,569x = 208,013 × 208,013
  4. Step 4: Simplify right side
    133,569x = 43,269,408,169
  5. Step 5: Solve for x
    x = 43,269,408,169/133,569
  6. Step 6: Final answer
    x = 323,947.98

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.