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Finding the Third Proportional to 3,699 and 8,127

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Solution

The third proportional to 3,699 and 8,127 is: 17,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699 : 8,127 = 8,127 : x
  2. Step 2: Convert to fraction form
    3,699/8,127 = 8,127/x
  3. Step 3: Cross multiply
    3,699x = 8,127 × 8,127
  4. Step 4: Simplify right side
    3,699x = 66,048,129
  5. Step 5: Solve for x
    x = 66,048,129/3,699
  6. Step 6: Final answer
    x = 17,855.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.