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Finding the Third Proportional to 336,843 and 720,360

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Solution

The third proportional to 336,843 and 720,360 is: 1,540,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,843 : 720,360 = 720,360 : x
  2. Step 2: Convert to fraction form
    336,843/720,360 = 720,360/x
  3. Step 3: Cross multiply
    336,843x = 720,360 × 720,360
  4. Step 4: Simplify right side
    336,843x = 518,918,529,600
  5. Step 5: Solve for x
    x = 518,918,529,600/336,843
  6. Step 6: Final answer
    x = 1,540,535.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.