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Finding the Third Proportional to 626,223 and 1,395,879

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Solution

The third proportional to 626,223 and 1,395,879 is: 3,111,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,223 : 1,395,879 = 1,395,879 : x
  2. Step 2: Convert to fraction form
    626,223/1,395,879 = 1,395,879/x
  3. Step 3: Cross multiply
    626,223x = 1,395,879 × 1,395,879
  4. Step 4: Simplify right side
    626,223x = 1,948,478,182,641
  5. Step 5: Solve for x
    x = 1,948,478,182,641/626,223
  6. Step 6: Final answer
    x = 3,111,476.55

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.