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Finding the Third Proportional to 55,631 and 120,001

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Solution

The third proportional to 55,631 and 120,001 is: 258,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631 : 120,001 = 120,001 : x
  2. Step 2: Convert to fraction form
    55,631/120,001 = 120,001/x
  3. Step 3: Cross multiply
    55,631x = 120,001 × 120,001
  4. Step 4: Simplify right side
    55,631x = 14,400,240,001
  5. Step 5: Solve for x
    x = 14,400,240,001/55,631
  6. Step 6: Final answer
    x = 258,852.80

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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.