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Finding the Third Proportional to 518,455.50 and 1,078,296.38

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Solution

The third proportional to 518,455.50 and 1,078,296.38 is: 2,242,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,455.50 : 1,078,296.38 = 1,078,296.38 : x
  2. Step 2: Convert to fraction form
    518,455.50/1,078,296.38 = 1,078,296.38/x
  3. Step 3: Cross multiply
    518,455.50x = 1,078,296.38 × 1,078,296.38
  4. Step 4: Simplify right side
    518,455.50x = 1,162,723,072,338.14
  5. Step 5: Solve for x
    x = 1,162,723,072,338.14/518,455.50
  6. Step 6: Final answer
    x = 2,242,667.06

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.