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Finding the Third Proportional to 119,240.75 and 259,189.25

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Solution

The third proportional to 119,240.75 and 259,189.25 is: 563,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,240.75 : 259,189.25 = 259,189.25 : x
  2. Step 2: Convert to fraction form
    119,240.75/259,189.25 = 259,189.25/x
  3. Step 3: Cross multiply
    119,240.75x = 259,189.25 × 259,189.25
  4. Step 4: Simplify right side
    119,240.75x = 67,179,067,315.56
  5. Step 5: Solve for x
    x = 67,179,067,315.56/119,240.75
  6. Step 6: Final answer
    x = 563,390.18

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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.