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Finding the Third Proportional to 4,424.63 and 6,647.06

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Solution

The third proportional to 4,424.63 and 6,647.06 is: 9,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.63 : 6,647.06 = 6,647.06 : x
  2. Step 2: Convert to fraction form
    4,424.63/6,647.06 = 6,647.06/x
  3. Step 3: Cross multiply
    4,424.63x = 6,647.06 × 6,647.06
  4. Step 4: Simplify right side
    4,424.63x = 44,183,439.88
  5. Step 5: Solve for x
    x = 44,183,439.88/4,424.63
  6. Step 6: Final answer
    x = 9,985.80

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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.