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Finding the Third Proportional to 225,818 and 330,248

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Solution

The third proportional to 225,818 and 330,248 is: 482,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,818 : 330,248 = 330,248 : x
  2. Step 2: Convert to fraction form
    225,818/330,248 = 330,248/x
  3. Step 3: Cross multiply
    225,818x = 330,248 × 330,248
  4. Step 4: Simplify right side
    225,818x = 109,063,741,504
  5. Step 5: Solve for x
    x = 109,063,741,504/225,818
  6. Step 6: Final answer
    x = 482,971.87

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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.