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Finding the Third Proportional to 11,948 and 18,948

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Solution

The third proportional to 11,948 and 18,948 is: 30,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948 : 18,948 = 18,948 : x
  2. Step 2: Convert to fraction form
    11,948/18,948 = 18,948/x
  3. Step 3: Cross multiply
    11,948x = 18,948 × 18,948
  4. Step 4: Simplify right side
    11,948x = 359,026,704
  5. Step 5: Solve for x
    x = 359,026,704/11,948
  6. Step 6: Final answer
    x = 30,049.10

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.