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Finding the Third Proportional to 12,318 and 17,937

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Solution

The third proportional to 12,318 and 17,937 is: 26,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318 : 17,937 = 17,937 : x
  2. Step 2: Convert to fraction form
    12,318/17,937 = 17,937/x
  3. Step 3: Cross multiply
    12,318x = 17,937 × 17,937
  4. Step 4: Simplify right side
    12,318x = 321,735,969
  5. Step 5: Solve for x
    x = 321,735,969/12,318
  6. Step 6: Final answer
    x = 26,119.17

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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.