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Finding the Third Proportional to 280,467 and 600,340

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Solution

The third proportional to 280,467 and 600,340 is: 1,285,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,467 : 600,340 = 600,340 : x
  2. Step 2: Convert to fraction form
    280,467/600,340 = 600,340/x
  3. Step 3: Cross multiply
    280,467x = 600,340 × 600,340
  4. Step 4: Simplify right side
    280,467x = 360,408,115,600
  5. Step 5: Solve for x
    x = 360,408,115,600/280,467
  6. Step 6: Final answer
    x = 1,285,028.60

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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.