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Finding the Third Proportional to 12,704 and 14,288

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Solution

The third proportional to 12,704 and 14,288 is: 16,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704 : 14,288 = 14,288 : x
  2. Step 2: Convert to fraction form
    12,704/14,288 = 14,288/x
  3. Step 3: Cross multiply
    12,704x = 14,288 × 14,288
  4. Step 4: Simplify right side
    12,704x = 204,146,944
  5. Step 5: Solve for x
    x = 204,146,944/12,704
  6. Step 6: Final answer
    x = 16,069.50

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.