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Finding the Third Proportional to 225,855 and 330,293.25

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Solution

The third proportional to 225,855 and 330,293.25 is: 483,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,855 : 330,293.25 = 330,293.25 : x
  2. Step 2: Convert to fraction form
    225,855/330,293.25 = 330,293.25/x
  3. Step 3: Cross multiply
    225,855x = 330,293.25 × 330,293.25
  4. Step 4: Simplify right side
    225,855x = 109,093,630,995.56
  5. Step 5: Solve for x
    x = 109,093,630,995.56/225,855
  6. Step 6: Final answer
    x = 483,025.09

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.