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Finding the Third Proportional to 10,858 and 16,875

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Solution

The third proportional to 10,858 and 16,875 is: 26,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858 : 16,875 = 16,875 : x
  2. Step 2: Convert to fraction form
    10,858/16,875 = 16,875/x
  3. Step 3: Cross multiply
    10,858x = 16,875 × 16,875
  4. Step 4: Simplify right side
    10,858x = 284,765,625
  5. Step 5: Solve for x
    x = 284,765,625/10,858
  6. Step 6: Final answer
    x = 26,226.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.