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Finding the Third Proportional to 267,445 and 587,378

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Solution

The third proportional to 267,445 and 587,378 is: 1,290,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,445 : 587,378 = 587,378 : x
  2. Step 2: Convert to fraction form
    267,445/587,378 = 587,378/x
  3. Step 3: Cross multiply
    267,445x = 587,378 × 587,378
  4. Step 4: Simplify right side
    267,445x = 345,012,914,884
  5. Step 5: Solve for x
    x = 345,012,914,884/267,445
  6. Step 6: Final answer
    x = 1,290,033.15

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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.