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Finding the Third Proportional to 5,500,665.75 and 11,947,945.50

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Solution

The third proportional to 5,500,665.75 and 11,947,945.50 is: 25,952,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500,665.75 : 11,947,945.50 = 11,947,945.50 : x
  2. Step 2: Convert to fraction form
    5,500,665.75/11,947,945.50 = 11,947,945.50/x
  3. Step 3: Cross multiply
    5,500,665.75x = 11,947,945.50 × 11,947,945.50
  4. Step 4: Simplify right side
    5,500,665.75x = 142,753,401,670,970.25
  5. Step 5: Solve for x
    x = 142,753,401,670,970.25/5,500,665.75
  6. Step 6: Final answer
    x = 25,952,022.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.