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Finding the Third Proportional to 102,972 and 164,450

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Solution

The third proportional to 102,972 and 164,450 is: 262,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,972 : 164,450 = 164,450 : x
  2. Step 2: Convert to fraction form
    102,972/164,450 = 164,450/x
  3. Step 3: Cross multiply
    102,972x = 164,450 × 164,450
  4. Step 4: Simplify right side
    102,972x = 27,043,802,500
  5. Step 5: Solve for x
    x = 27,043,802,500/102,972
  6. Step 6: Final answer
    x = 262,632.58

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.