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Finding the Third Proportional to 12,984 and 18,504

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Solution

The third proportional to 12,984 and 18,504 is: 26,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984 : 18,504 = 18,504 : x
  2. Step 2: Convert to fraction form
    12,984/18,504 = 18,504/x
  3. Step 3: Cross multiply
    12,984x = 18,504 × 18,504
  4. Step 4: Simplify right side
    12,984x = 342,398,016
  5. Step 5: Solve for x
    x = 342,398,016/12,984
  6. Step 6: Final answer
    x = 26,370.77

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.