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Finding the Third Proportional to 285,126 and 441,441

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Solution

The third proportional to 285,126 and 441,441 is: 683,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,126 : 441,441 = 441,441 : x
  2. Step 2: Convert to fraction form
    285,126/441,441 = 441,441/x
  3. Step 3: Cross multiply
    285,126x = 441,441 × 441,441
  4. Step 4: Simplify right side
    285,126x = 194,870,156,481
  5. Step 5: Solve for x
    x = 194,870,156,481/285,126
  6. Step 6: Final answer
    x = 683,452.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.