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Finding the Third Proportional to 10,858 and 16,936

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Solution

The third proportional to 10,858 and 16,936 is: 26,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858 : 16,936 = 16,936 : x
  2. Step 2: Convert to fraction form
    10,858/16,936 = 16,936/x
  3. Step 3: Cross multiply
    10,858x = 16,936 × 16,936
  4. Step 4: Simplify right side
    10,858x = 286,828,096
  5. Step 5: Solve for x
    x = 286,828,096/10,858
  6. Step 6: Final answer
    x = 26,416.29

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.