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Finding the Third Proportional to 6,948 and 10,422.75

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Solution

The third proportional to 6,948 and 10,422.75 is: 15,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948 : 10,422.75 = 10,422.75 : x
  2. Step 2: Convert to fraction form
    6,948/10,422.75 = 10,422.75/x
  3. Step 3: Cross multiply
    6,948x = 10,422.75 × 10,422.75
  4. Step 4: Simplify right side
    6,948x = 108,633,717.56
  5. Step 5: Solve for x
    x = 108,633,717.56/6,948
  6. Step 6: Final answer
    x = 15,635.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.