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Finding the Third Proportional to 147,016 and 219,945

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Solution

The third proportional to 147,016 and 219,945 is: 329,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,016 : 219,945 = 219,945 : x
  2. Step 2: Convert to fraction form
    147,016/219,945 = 219,945/x
  3. Step 3: Cross multiply
    147,016x = 219,945 × 219,945
  4. Step 4: Simplify right side
    147,016x = 48,375,803,025
  5. Step 5: Solve for x
    x = 48,375,803,025/147,016
  6. Step 6: Final answer
    x = 329,051.28

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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.