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Finding the Third Proportional to 322,461 and 683,338

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Solution

The third proportional to 322,461 and 683,338 is: 1,448,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,461 : 683,338 = 683,338 : x
  2. Step 2: Convert to fraction form
    322,461/683,338 = 683,338/x
  3. Step 3: Cross multiply
    322,461x = 683,338 × 683,338
  4. Step 4: Simplify right side
    322,461x = 466,950,822,244
  5. Step 5: Solve for x
    x = 466,950,822,244/322,461
  6. Step 6: Final answer
    x = 1,448,084.64

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.