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Finding the Third Proportional to 6,178 and 12,698

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Solution

The third proportional to 6,178 and 12,698 is: 26,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178 : 12,698 = 12,698 : x
  2. Step 2: Convert to fraction form
    6,178/12,698 = 12,698/x
  3. Step 3: Cross multiply
    6,178x = 12,698 × 12,698
  4. Step 4: Simplify right side
    6,178x = 161,239,204
  5. Step 5: Solve for x
    x = 161,239,204/6,178
  6. Step 6: Final answer
    x = 26,098.93

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.