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Finding the Third Proportional to 384,588 and 838,836

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Solution

The third proportional to 384,588 and 838,836 is: 1,829,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,588 : 838,836 = 838,836 : x
  2. Step 2: Convert to fraction form
    384,588/838,836 = 838,836/x
  3. Step 3: Cross multiply
    384,588x = 838,836 × 838,836
  4. Step 4: Simplify right side
    384,588x = 703,645,834,896
  5. Step 5: Solve for x
    x = 703,645,834,896/384,588
  6. Step 6: Final answer
    x = 1,829,609.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.