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Finding the Third Proportional to 15,311 and 22,024

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Solution

The third proportional to 15,311 and 22,024 is: 31,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311 : 22,024 = 22,024 : x
  2. Step 2: Convert to fraction form
    15,311/22,024 = 22,024/x
  3. Step 3: Cross multiply
    15,311x = 22,024 × 22,024
  4. Step 4: Simplify right side
    15,311x = 485,056,576
  5. Step 5: Solve for x
    x = 485,056,576/15,311
  6. Step 6: Final answer
    x = 31,680.27

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.