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Finding the Third Proportional to 384,264 and 617,394

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Solution

The third proportional to 384,264 and 617,394 is: 991,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,264 : 617,394 = 617,394 : x
  2. Step 2: Convert to fraction form
    384,264/617,394 = 617,394/x
  3. Step 3: Cross multiply
    384,264x = 617,394 × 617,394
  4. Step 4: Simplify right side
    384,264x = 381,175,351,236
  5. Step 5: Solve for x
    x = 381,175,351,236/384,264
  6. Step 6: Final answer
    x = 991,962.17

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.