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Finding the Third Proportional to 11,850 and 16,830

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Solution

The third proportional to 11,850 and 16,830 is: 23,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850 : 16,830 = 16,830 : x
  2. Step 2: Convert to fraction form
    11,850/16,830 = 16,830/x
  3. Step 3: Cross multiply
    11,850x = 16,830 × 16,830
  4. Step 4: Simplify right side
    11,850x = 283,248,900
  5. Step 5: Solve for x
    x = 283,248,900/11,850
  6. Step 6: Final answer
    x = 23,902.86

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.