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Finding the Third Proportional to 57,576 and 122,008

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Solution

The third proportional to 57,576 and 122,008 is: 258,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,576 : 122,008 = 122,008 : x
  2. Step 2: Convert to fraction form
    57,576/122,008 = 122,008/x
  3. Step 3: Cross multiply
    57,576x = 122,008 × 122,008
  4. Step 4: Simplify right side
    57,576x = 14,885,952,064
  5. Step 5: Solve for x
    x = 14,885,952,064/57,576
  6. Step 6: Final answer
    x = 258,544.39

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.