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Finding the Third Proportional to 119,679.40 and 259,304.73

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Solution

The third proportional to 119,679.40 and 259,304.73 is: 561,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,679.40 : 259,304.73 = 259,304.73 : x
  2. Step 2: Convert to fraction form
    119,679.40/259,304.73 = 259,304.73/x
  3. Step 3: Cross multiply
    119,679.40x = 259,304.73 × 259,304.73
  4. Step 4: Simplify right side
    119,679.40x = 67,238,943,243.47
  5. Step 5: Solve for x
    x = 67,238,943,243.47/119,679.40
  6. Step 6: Final answer
    x = 561,825.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.