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Finding the Third Proportional to 3,904,897.50 and 8,481,456

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Solution

The third proportional to 3,904,897.50 and 8,481,456 is: 18,421,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,897.50 : 8,481,456 = 8,481,456 : x
  2. Step 2: Convert to fraction form
    3,904,897.50/8,481,456 = 8,481,456/x
  3. Step 3: Cross multiply
    3,904,897.50x = 8,481,456 × 8,481,456
  4. Step 4: Simplify right side
    3,904,897.50x = 71,935,095,879,936
  5. Step 5: Solve for x
    x = 71,935,095,879,936/3,904,897.50
  6. Step 6: Final answer
    x = 18,421,762.90

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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.