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Finding the Third Proportional to 2,289.56 and 4,101.75

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Solution

The third proportional to 2,289.56 and 4,101.75 is: 7,348.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.56 : 4,101.75 = 4,101.75 : x
  2. Step 2: Convert to fraction form
    2,289.56/4,101.75 = 4,101.75/x
  3. Step 3: Cross multiply
    2,289.56x = 4,101.75 × 4,101.75
  4. Step 4: Simplify right side
    2,289.56x = 16,824,353.06
  5. Step 5: Solve for x
    x = 16,824,353.06/2,289.56
  6. Step 6: Final answer
    x = 7,348.28

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.