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Finding the Third Proportional to 11,780 and 16,482

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Solution

The third proportional to 11,780 and 16,482 is: 23,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780 : 16,482 = 16,482 : x
  2. Step 2: Convert to fraction form
    11,780/16,482 = 16,482/x
  3. Step 3: Cross multiply
    11,780x = 16,482 × 16,482
  4. Step 4: Simplify right side
    11,780x = 271,656,324
  5. Step 5: Solve for x
    x = 271,656,324/11,780
  6. Step 6: Final answer
    x = 23,060.81

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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.