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Finding the Third Proportional to 9,822,910.50 and 20,663,835.75

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Solution

The third proportional to 9,822,910.50 and 20,663,835.75 is: 43,469,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822,910.50 : 20,663,835.75 = 20,663,835.75 : x
  2. Step 2: Convert to fraction form
    9,822,910.50/20,663,835.75 = 20,663,835.75/x
  3. Step 3: Cross multiply
    9,822,910.50x = 20,663,835.75 × 20,663,835.75
  4. Step 4: Simplify right side
    9,822,910.50x = 426,994,107,902,978.06
  5. Step 5: Solve for x
    x = 426,994,107,902,978.06/9,822,910.50
  6. Step 6: Final answer
    x = 43,469,204.76

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.