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Finding the Third Proportional to 14,100 and 19,830

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Solution

The third proportional to 14,100 and 19,830 is: 27,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100 : 19,830 = 19,830 : x
  2. Step 2: Convert to fraction form
    14,100/19,830 = 19,830/x
  3. Step 3: Cross multiply
    14,100x = 19,830 × 19,830
  4. Step 4: Simplify right side
    14,100x = 393,228,900
  5. Step 5: Solve for x
    x = 393,228,900/14,100
  6. Step 6: Final answer
    x = 27,888.57

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.