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Finding the Third Proportional to 98,441 and 147,631

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Solution

The third proportional to 98,441 and 147,631 is: 221,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,441 : 147,631 = 147,631 : x
  2. Step 2: Convert to fraction form
    98,441/147,631 = 147,631/x
  3. Step 3: Cross multiply
    98,441x = 147,631 × 147,631
  4. Step 4: Simplify right side
    98,441x = 21,794,912,161
  5. Step 5: Solve for x
    x = 21,794,912,161/98,441
  6. Step 6: Final answer
    x = 221,400.76

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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.