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Finding the Third Proportional to 3,860,686 and 8,234,358.50

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Solution

The third proportional to 3,860,686 and 8,234,358.50 is: 17,562,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,686 : 8,234,358.50 = 8,234,358.50 : x
  2. Step 2: Convert to fraction form
    3,860,686/8,234,358.50 = 8,234,358.50/x
  3. Step 3: Cross multiply
    3,860,686x = 8,234,358.50 × 8,234,358.50
  4. Step 4: Simplify right side
    3,860,686x = 67,804,659,906,522.25
  5. Step 5: Solve for x
    x = 67,804,659,906,522.25/3,860,686
  6. Step 6: Final answer
    x = 17,562,852.80

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.