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Finding the Third Proportional to 1,397 and 3,001

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Solution

The third proportional to 1,397 and 3,001 is: 6,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397 : 3,001 = 3,001 : x
  2. Step 2: Convert to fraction form
    1,397/3,001 = 3,001/x
  3. Step 3: Cross multiply
    1,397x = 3,001 × 3,001
  4. Step 4: Simplify right side
    1,397x = 9,006,001
  5. Step 5: Solve for x
    x = 9,006,001/1,397
  6. Step 6: Final answer
    x = 6,446.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.