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Finding the Third Proportional to 14,554 and 16,138

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Solution

The third proportional to 14,554 and 16,138 is: 17,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554 : 16,138 = 16,138 : x
  2. Step 2: Convert to fraction form
    14,554/16,138 = 16,138/x
  3. Step 3: Cross multiply
    14,554x = 16,138 × 16,138
  4. Step 4: Simplify right side
    14,554x = 260,435,044
  5. Step 5: Solve for x
    x = 260,435,044/14,554
  6. Step 6: Final answer
    x = 17,894.40

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.