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Finding the Third Proportional to 6,640 and 15,266

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Solution

The third proportional to 6,640 and 15,266 is: 35,098.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640 : 15,266 = 15,266 : x
  2. Step 2: Convert to fraction form
    6,640/15,266 = 15,266/x
  3. Step 3: Cross multiply
    6,640x = 15,266 × 15,266
  4. Step 4: Simplify right side
    6,640x = 233,050,756
  5. Step 5: Solve for x
    x = 233,050,756/6,640
  6. Step 6: Final answer
    x = 35,098.01

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.