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Finding the Third Proportional to 48,981 and 108,906

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Solution

The third proportional to 48,981 and 108,906 is: 242,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,981 : 108,906 = 108,906 : x
  2. Step 2: Convert to fraction form
    48,981/108,906 = 108,906/x
  3. Step 3: Cross multiply
    48,981x = 108,906 × 108,906
  4. Step 4: Simplify right side
    48,981x = 11,860,516,836
  5. Step 5: Solve for x
    x = 11,860,516,836/48,981
  6. Step 6: Final answer
    x = 242,145.26

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.