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Finding the Third Proportional to 10,722 and 16,395

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Solution

The third proportional to 10,722 and 16,395 is: 25,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722 : 16,395 = 16,395 : x
  2. Step 2: Convert to fraction form
    10,722/16,395 = 16,395/x
  3. Step 3: Cross multiply
    10,722x = 16,395 × 16,395
  4. Step 4: Simplify right side
    10,722x = 268,796,025
  5. Step 5: Solve for x
    x = 268,796,025/10,722
  6. Step 6: Final answer
    x = 25,069.58

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.