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Finding the Third Proportional to 148,203 and 324,648

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Solution

The third proportional to 148,203 and 324,648 is: 711,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,203 : 324,648 = 324,648 : x
  2. Step 2: Convert to fraction form
    148,203/324,648 = 324,648/x
  3. Step 3: Cross multiply
    148,203x = 324,648 × 324,648
  4. Step 4: Simplify right side
    148,203x = 105,396,323,904
  5. Step 5: Solve for x
    x = 105,396,323,904/148,203
  6. Step 6: Final answer
    x = 711,161.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.