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Finding the Third Proportional to 12,759 and 27,984

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Solution

The third proportional to 12,759 and 27,984 is: 61,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759 : 27,984 = 27,984 : x
  2. Step 2: Convert to fraction form
    12,759/27,984 = 27,984/x
  3. Step 3: Cross multiply
    12,759x = 27,984 × 27,984
  4. Step 4: Simplify right side
    12,759x = 783,104,256
  5. Step 5: Solve for x
    x = 783,104,256/12,759
  6. Step 6: Final answer
    x = 61,376.62

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.