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Finding the Third Proportional to 5,003.44 and 7,518.94

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Solution

The third proportional to 5,003.44 and 7,518.94 is: 11,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.44 : 7,518.94 = 7,518.94 : x
  2. Step 2: Convert to fraction form
    5,003.44/7,518.94 = 7,518.94/x
  3. Step 3: Cross multiply
    5,003.44x = 7,518.94 × 7,518.94
  4. Step 4: Simplify right side
    5,003.44x = 56,534,421.13
  5. Step 5: Solve for x
    x = 56,534,421.13/5,003.44
  6. Step 6: Final answer
    x = 11,299.12

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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.