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Finding the Third Proportional to 240,907 and 518,814

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Solution

The third proportional to 240,907 and 518,814 is: 1,117,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,907 : 518,814 = 518,814 : x
  2. Step 2: Convert to fraction form
    240,907/518,814 = 518,814/x
  3. Step 3: Cross multiply
    240,907x = 518,814 × 518,814
  4. Step 4: Simplify right side
    240,907x = 269,167,966,596
  5. Step 5: Solve for x
    x = 269,167,966,596/240,907
  6. Step 6: Final answer
    x = 1,117,310.69

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.