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Finding the Third Proportional to 386,002 and 850,534

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Solution

The third proportional to 386,002 and 850,534 is: 1,874,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,002 : 850,534 = 850,534 : x
  2. Step 2: Convert to fraction form
    386,002/850,534 = 850,534/x
  3. Step 3: Cross multiply
    386,002x = 850,534 × 850,534
  4. Step 4: Simplify right side
    386,002x = 723,408,085,156
  5. Step 5: Solve for x
    x = 723,408,085,156/386,002
  6. Step 6: Final answer
    x = 1,874,104.50

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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.