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Finding the Third Proportional to 14,756 and 17,942

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Solution

The third proportional to 14,756 and 17,942 is: 21,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756 : 17,942 = 17,942 : x
  2. Step 2: Convert to fraction form
    14,756/17,942 = 17,942/x
  3. Step 3: Cross multiply
    14,756x = 17,942 × 17,942
  4. Step 4: Simplify right side
    14,756x = 321,915,364
  5. Step 5: Solve for x
    x = 321,915,364/14,756
  6. Step 6: Final answer
    x = 21,815.90

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.