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Finding the Third Proportional to 12,317 and 18,007

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Solution

The third proportional to 12,317 and 18,007 is: 26,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317 : 18,007 = 18,007 : x
  2. Step 2: Convert to fraction form
    12,317/18,007 = 18,007/x
  3. Step 3: Cross multiply
    12,317x = 18,007 × 18,007
  4. Step 4: Simplify right side
    12,317x = 324,252,049
  5. Step 5: Solve for x
    x = 324,252,049/12,317
  6. Step 6: Final answer
    x = 26,325.57

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.