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Finding the Third Proportional to 13,119 and 27,456

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Solution

The third proportional to 13,119 and 27,456 is: 57,461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119 : 27,456 = 27,456 : x
  2. Step 2: Convert to fraction form
    13,119/27,456 = 27,456/x
  3. Step 3: Cross multiply
    13,119x = 27,456 × 27,456
  4. Step 4: Simplify right side
    13,119x = 753,831,936
  5. Step 5: Solve for x
    x = 753,831,936/13,119
  6. Step 6: Final answer
    x = 57,461.08

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.