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Finding the Third Proportional to 351,640 and 544,836

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Solution

The third proportional to 351,640 and 544,836 is: 844,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,640 : 544,836 = 544,836 : x
  2. Step 2: Convert to fraction form
    351,640/544,836 = 544,836/x
  3. Step 3: Cross multiply
    351,640x = 544,836 × 544,836
  4. Step 4: Simplify right side
    351,640x = 296,846,266,896
  5. Step 5: Solve for x
    x = 296,846,266,896/351,640
  6. Step 6: Final answer
    x = 844,176.62

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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.