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Finding the Third Proportional to 3,009.38 and 4,506.75

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Solution

The third proportional to 3,009.38 and 4,506.75 is: 6,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.38 : 4,506.75 = 4,506.75 : x
  2. Step 2: Convert to fraction form
    3,009.38/4,506.75 = 4,506.75/x
  3. Step 3: Cross multiply
    3,009.38x = 4,506.75 × 4,506.75
  4. Step 4: Simplify right side
    3,009.38x = 20,310,795.56
  5. Step 5: Solve for x
    x = 20,310,795.56/3,009.38
  6. Step 6: Final answer
    x = 6,749.17

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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.