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Finding the Third Proportional to 627,196 and 1,379,246

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Solution

The third proportional to 627,196 and 1,379,246 is: 3,033,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,196 : 1,379,246 = 1,379,246 : x
  2. Step 2: Convert to fraction form
    627,196/1,379,246 = 1,379,246/x
  3. Step 3: Cross multiply
    627,196x = 1,379,246 × 1,379,246
  4. Step 4: Simplify right side
    627,196x = 1,902,319,528,516
  5. Step 5: Solve for x
    x = 1,902,319,528,516/627,196
  6. Step 6: Final answer
    x = 3,033,054.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.