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Finding the Third Proportional to 12,616,959.94 and 18,904,450.78

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Solution

The third proportional to 12,616,959.94 and 18,904,450.78 is: 28,325,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,959.94 : 18,904,450.78 = 18,904,450.78 : x
  2. Step 2: Convert to fraction form
    12,616,959.94/18,904,450.78 = 18,904,450.78/x
  3. Step 3: Cross multiply
    12,616,959.94x = 18,904,450.78 × 18,904,450.78
  4. Step 4: Simplify right side
    12,616,959.94x = 357,378,259,340,703.75
  5. Step 5: Solve for x
    x = 357,378,259,340,703.75/12,616,959.94
  6. Step 6: Final answer
    x = 28,325,227.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.