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Finding the Third Proportional to 18,868 and 26,394

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Solution

The third proportional to 18,868 and 26,394 is: 36,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868 : 26,394 = 26,394 : x
  2. Step 2: Convert to fraction form
    18,868/26,394 = 26,394/x
  3. Step 3: Cross multiply
    18,868x = 26,394 × 26,394
  4. Step 4: Simplify right side
    18,868x = 696,643,236
  5. Step 5: Solve for x
    x = 696,643,236/18,868
  6. Step 6: Final answer
    x = 36,921.94

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.