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Finding the Third Proportional to 8,856,816.75 and 13,239,115.03

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Solution

The third proportional to 8,856,816.75 and 13,239,115.03 is: 19,789,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856,816.75 : 13,239,115.03 = 13,239,115.03 : x
  2. Step 2: Convert to fraction form
    8,856,816.75/13,239,115.03 = 13,239,115.03/x
  3. Step 3: Cross multiply
    8,856,816.75x = 13,239,115.03 × 13,239,115.03
  4. Step 4: Simplify right side
    8,856,816.75x = 175,274,166,810,669.69
  5. Step 5: Solve for x
    x = 175,274,166,810,669.69/8,856,816.75
  6. Step 6: Final answer
    x = 19,789,747.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.