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Finding the Third Proportional to 9,780 and 14,734

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Solution

The third proportional to 9,780 and 14,734 is: 22,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780 : 14,734 = 14,734 : x
  2. Step 2: Convert to fraction form
    9,780/14,734 = 14,734/x
  3. Step 3: Cross multiply
    9,780x = 14,734 × 14,734
  4. Step 4: Simplify right side
    9,780x = 217,090,756
  5. Step 5: Solve for x
    x = 217,090,756/9,780
  6. Step 6: Final answer
    x = 22,197.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.