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Finding the Third Proportional to 627,813 and 1,336,536

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Solution

The third proportional to 627,813 and 1,336,536 is: 2,845,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,813 : 1,336,536 = 1,336,536 : x
  2. Step 2: Convert to fraction form
    627,813/1,336,536 = 1,336,536/x
  3. Step 3: Cross multiply
    627,813x = 1,336,536 × 1,336,536
  4. Step 4: Simplify right side
    627,813x = 1,786,328,479,296
  5. Step 5: Solve for x
    x = 1,786,328,479,296/627,813
  6. Step 6: Final answer
    x = 2,845,319.35

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.