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Finding the Third Proportional to 146,043 and 213,318

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Solution

The third proportional to 146,043 and 213,318 is: 311,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,043 : 213,318 = 213,318 : x
  2. Step 2: Convert to fraction form
    146,043/213,318 = 213,318/x
  3. Step 3: Cross multiply
    146,043x = 213,318 × 213,318
  4. Step 4: Simplify right side
    146,043x = 45,504,569,124
  5. Step 5: Solve for x
    x = 45,504,569,124/146,043
  6. Step 6: Final answer
    x = 311,583.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.