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Finding the Third Proportional to 6,658 and 10,188

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Solution

The third proportional to 6,658 and 10,188 is: 15,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658 : 10,188 = 10,188 : x
  2. Step 2: Convert to fraction form
    6,658/10,188 = 10,188/x
  3. Step 3: Cross multiply
    6,658x = 10,188 × 10,188
  4. Step 4: Simplify right side
    6,658x = 103,795,344
  5. Step 5: Solve for x
    x = 103,795,344/6,658
  6. Step 6: Final answer
    x = 15,589.57

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.