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Finding the Third Proportional to 3,122,640.38 and 7,228,462.31

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Solution

The third proportional to 3,122,640.38 and 7,228,462.31 is: 16,732,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,640.38 : 7,228,462.31 = 7,228,462.31 : x
  2. Step 2: Convert to fraction form
    3,122,640.38/7,228,462.31 = 7,228,462.31/x
  3. Step 3: Cross multiply
    3,122,640.38x = 7,228,462.31 × 7,228,462.31
  4. Step 4: Simplify right side
    3,122,640.38x = 52,250,667,403,232.84
  5. Step 5: Solve for x
    x = 52,250,667,403,232.84/3,122,640.38
  6. Step 6: Final answer
    x = 16,732,848.21

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.