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Finding the Third Proportional to 143,512 and 197,004

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Solution

The third proportional to 143,512 and 197,004 is: 270,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,512 : 197,004 = 197,004 : x
  2. Step 2: Convert to fraction form
    143,512/197,004 = 197,004/x
  3. Step 3: Cross multiply
    143,512x = 197,004 × 197,004
  4. Step 4: Simplify right side
    143,512x = 38,810,576,016
  5. Step 5: Solve for x
    x = 38,810,576,016/143,512
  6. Step 6: Final answer
    x = 270,434.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.