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Finding the Third Proportional to 98,812 and 147,949

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Solution

The third proportional to 98,812 and 147,949 is: 221,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,812 : 147,949 = 147,949 : x
  2. Step 2: Convert to fraction form
    98,812/147,949 = 147,949/x
  3. Step 3: Cross multiply
    98,812x = 147,949 × 147,949
  4. Step 4: Simplify right side
    98,812x = 21,888,906,601
  5. Step 5: Solve for x
    x = 21,888,906,601/98,812
  6. Step 6: Final answer
    x = 221,520.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.