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Finding the Third Proportional to 11,981 and 25,202

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Solution

The third proportional to 11,981 and 25,202 is: 53,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981 : 25,202 = 25,202 : x
  2. Step 2: Convert to fraction form
    11,981/25,202 = 25,202/x
  3. Step 3: Cross multiply
    11,981x = 25,202 × 25,202
  4. Step 4: Simplify right side
    11,981x = 635,140,804
  5. Step 5: Solve for x
    x = 635,140,804/11,981
  6. Step 6: Final answer
    x = 53,012.34

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.