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Finding the Third Proportional to 14,518 and 21,894

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Solution

The third proportional to 14,518 and 21,894 is: 33,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518 : 21,894 = 21,894 : x
  2. Step 2: Convert to fraction form
    14,518/21,894 = 21,894/x
  3. Step 3: Cross multiply
    14,518x = 21,894 × 21,894
  4. Step 4: Simplify right side
    14,518x = 479,347,236
  5. Step 5: Solve for x
    x = 479,347,236/14,518
  6. Step 6: Final answer
    x = 33,017.44

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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.