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Finding the Third Proportional to 8,821,177.78 and 19,108,162.22

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Solution

The third proportional to 8,821,177.78 and 19,108,162.22 is: 41,391,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,177.78 : 19,108,162.22 = 19,108,162.22 : x
  2. Step 2: Convert to fraction form
    8,821,177.78/19,108,162.22 = 19,108,162.22/x
  3. Step 3: Cross multiply
    8,821,177.78x = 19,108,162.22 × 19,108,162.22
  4. Step 4: Simplify right side
    8,821,177.78x = 365,121,863,378,064.94
  5. Step 5: Solve for x
    x = 365,121,863,378,064.94/8,821,177.78
  6. Step 6: Final answer
    x = 41,391,509.44

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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.