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Finding the Third Proportional to 267,429 and 587,340

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Solution

The third proportional to 267,429 and 587,340 is: 1,289,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,429 : 587,340 = 587,340 : x
  2. Step 2: Convert to fraction form
    267,429/587,340 = 587,340/x
  3. Step 3: Cross multiply
    267,429x = 587,340 × 587,340
  4. Step 4: Simplify right side
    267,429x = 344,968,275,600
  5. Step 5: Solve for x
    x = 344,968,275,600/267,429
  6. Step 6: Final answer
    x = 1,289,943.41

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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.