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Finding the Third Proportional to 12,640 and 27,584

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Solution

The third proportional to 12,640 and 27,584 is: 60,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640 : 27,584 = 27,584 : x
  2. Step 2: Convert to fraction form
    12,640/27,584 = 27,584/x
  3. Step 3: Cross multiply
    12,640x = 27,584 × 27,584
  4. Step 4: Simplify right side
    12,640x = 760,877,056
  5. Step 5: Solve for x
    x = 760,877,056/12,640
  6. Step 6: Final answer
    x = 60,195.97

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.