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Finding the Third Proportional to 4,636.69 and 7,190.44

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Solution

The third proportional to 4,636.69 and 7,190.44 is: 11,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.69 : 7,190.44 = 7,190.44 : x
  2. Step 2: Convert to fraction form
    4,636.69/7,190.44 = 7,190.44/x
  3. Step 3: Cross multiply
    4,636.69x = 7,190.44 × 7,190.44
  4. Step 4: Simplify right side
    4,636.69x = 51,702,391.44
  5. Step 5: Solve for x
    x = 51,702,391.44/4,636.69
  6. Step 6: Final answer
    x = 11,150.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.