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Finding the Third Proportional to 55,444 and 119,992

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Solution

The third proportional to 55,444 and 119,992 is: 259,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,444 : 119,992 = 119,992 : x
  2. Step 2: Convert to fraction form
    55,444/119,992 = 119,992/x
  3. Step 3: Cross multiply
    55,444x = 119,992 × 119,992
  4. Step 4: Simplify right side
    55,444x = 14,398,080,064
  5. Step 5: Solve for x
    x = 14,398,080,064/55,444
  6. Step 6: Final answer
    x = 259,686.89

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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.