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Finding the Third Proportional to 5,139 and 5,949

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Solution

The third proportional to 5,139 and 5,949 is: 6,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139 : 5,949 = 5,949 : x
  2. Step 2: Convert to fraction form
    5,139/5,949 = 5,949/x
  3. Step 3: Cross multiply
    5,139x = 5,949 × 5,949
  4. Step 4: Simplify right side
    5,139x = 35,390,601
  5. Step 5: Solve for x
    x = 35,390,601/5,139
  6. Step 6: Final answer
    x = 6,886.67

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.