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Finding the Third Proportional to 55,629 and 120,006

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Solution

The third proportional to 55,629 and 120,006 is: 258,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629 : 120,006 = 120,006 : x
  2. Step 2: Convert to fraction form
    55,629/120,006 = 120,006/x
  3. Step 3: Cross multiply
    55,629x = 120,006 × 120,006
  4. Step 4: Simplify right side
    55,629x = 14,401,440,036
  5. Step 5: Solve for x
    x = 14,401,440,036/55,629
  6. Step 6: Final answer
    x = 258,883.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.