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Finding the Third Proportional to 14,710 and 16,906

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Solution

The third proportional to 14,710 and 16,906 is: 19,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710 : 16,906 = 16,906 : x
  2. Step 2: Convert to fraction form
    14,710/16,906 = 16,906/x
  3. Step 3: Cross multiply
    14,710x = 16,906 × 16,906
  4. Step 4: Simplify right side
    14,710x = 285,812,836
  5. Step 5: Solve for x
    x = 285,812,836/14,710
  6. Step 6: Final answer
    x = 19,429.83

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.