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Finding the Third Proportional to 14,111 and 21,098

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Solution

The third proportional to 14,111 and 21,098 is: 31,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111 : 21,098 = 21,098 : x
  2. Step 2: Convert to fraction form
    14,111/21,098 = 21,098/x
  3. Step 3: Cross multiply
    14,111x = 21,098 × 21,098
  4. Step 4: Simplify right side
    14,111x = 445,125,604
  5. Step 5: Solve for x
    x = 445,125,604/14,111
  6. Step 6: Final answer
    x = 31,544.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.