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Finding the Third Proportional to 4,477 and 4,866.75

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Solution

The third proportional to 4,477 and 4,866.75 is: 5,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477 : 4,866.75 = 4,866.75 : x
  2. Step 2: Convert to fraction form
    4,477/4,866.75 = 4,866.75/x
  3. Step 3: Cross multiply
    4,477x = 4,866.75 × 4,866.75
  4. Step 4: Simplify right side
    4,477x = 23,685,255.56
  5. Step 5: Solve for x
    x = 23,685,255.56/4,477
  6. Step 6: Final answer
    x = 5,290.43

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.