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Finding the Third Proportional to 4,991.63 and 5,477.63

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Solution

The third proportional to 4,991.63 and 5,477.63 is: 6,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.63 : 5,477.63 = 5,477.63 : x
  2. Step 2: Convert to fraction form
    4,991.63/5,477.63 = 5,477.63/x
  3. Step 3: Cross multiply
    4,991.63x = 5,477.63 × 5,477.63
  4. Step 4: Simplify right side
    4,991.63x = 30,004,375.64
  5. Step 5: Solve for x
    x = 30,004,375.64/4,991.63
  6. Step 6: Final answer
    x = 6,010.94

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.