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Finding the Third Proportional to 225,829 and 330,263

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Solution

The third proportional to 225,829 and 330,263 is: 482,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,829 : 330,263 = 330,263 : x
  2. Step 2: Convert to fraction form
    225,829/330,263 = 330,263/x
  3. Step 3: Cross multiply
    225,829x = 330,263 × 330,263
  4. Step 4: Simplify right side
    225,829x = 109,073,649,169
  5. Step 5: Solve for x
    x = 109,073,649,169/225,829
  6. Step 6: Final answer
    x = 482,992.22

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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.