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Finding the Third Proportional to 69,624 and 104,132

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Solution

The third proportional to 69,624 and 104,132 is: 155,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,624 : 104,132 = 104,132 : x
  2. Step 2: Convert to fraction form
    69,624/104,132 = 104,132/x
  3. Step 3: Cross multiply
    69,624x = 104,132 × 104,132
  4. Step 4: Simplify right side
    69,624x = 10,843,473,424
  5. Step 5: Solve for x
    x = 10,843,473,424/69,624
  6. Step 6: Final answer
    x = 155,743.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.