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Finding the Third Proportional to 379,659 and 534,037.50

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Solution

The third proportional to 379,659 and 534,037.50 is: 751,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,659 : 534,037.50 = 534,037.50 : x
  2. Step 2: Convert to fraction form
    379,659/534,037.50 = 534,037.50/x
  3. Step 3: Cross multiply
    379,659x = 534,037.50 × 534,037.50
  4. Step 4: Simplify right side
    379,659x = 285,196,051,406.25
  5. Step 5: Solve for x
    x = 285,196,051,406.25/379,659
  6. Step 6: Final answer
    x = 751,190.02

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.