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Finding the Third Proportional to 13,480 and 27,608

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Solution

The third proportional to 13,480 and 27,608 is: 56,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480 : 27,608 = 27,608 : x
  2. Step 2: Convert to fraction form
    13,480/27,608 = 27,608/x
  3. Step 3: Cross multiply
    13,480x = 27,608 × 27,608
  4. Step 4: Simplify right side
    13,480x = 762,201,664
  5. Step 5: Solve for x
    x = 762,201,664/13,480
  6. Step 6: Final answer
    x = 56,543.15

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.