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Finding the Third Proportional to 4,269,688.50 and 9,297,477.75

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Solution

The third proportional to 4,269,688.50 and 9,297,477.75 is: 20,245,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269,688.50 : 9,297,477.75 = 9,297,477.75 : x
  2. Step 2: Convert to fraction form
    4,269,688.50/9,297,477.75 = 9,297,477.75/x
  3. Step 3: Cross multiply
    4,269,688.50x = 9,297,477.75 × 9,297,477.75
  4. Step 4: Simplify right side
    4,269,688.50x = 86,443,092,511,745.06
  5. Step 5: Solve for x
    x = 86,443,092,511,745.06/4,269,688.50
  6. Step 6: Final answer
    x = 20,245,760.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.