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Finding the Third Proportional to 330,248 and 479,244

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Solution

The third proportional to 330,248 and 479,244 is: 695,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,248 : 479,244 = 479,244 : x
  2. Step 2: Convert to fraction form
    330,248/479,244 = 479,244/x
  3. Step 3: Cross multiply
    330,248x = 479,244 × 479,244
  4. Step 4: Simplify right side
    330,248x = 229,674,811,536
  5. Step 5: Solve for x
    x = 229,674,811,536/330,248
  6. Step 6: Final answer
    x = 695,461.63

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.