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Finding the Third Proportional to 3,864,078 and 5,247,735.75

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Solution

The third proportional to 3,864,078 and 5,247,735.75 is: 7,126,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,078 : 5,247,735.75 = 5,247,735.75 : x
  2. Step 2: Convert to fraction form
    3,864,078/5,247,735.75 = 5,247,735.75/x
  3. Step 3: Cross multiply
    3,864,078x = 5,247,735.75 × 5,247,735.75
  4. Step 4: Simplify right side
    3,864,078x = 27,538,730,501,828.06
  5. Step 5: Solve for x
    x = 27,538,730,501,828.06/3,864,078
  6. Step 6: Final answer
    x = 7,126,856.78

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.