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Finding the Third Proportional to 303,996 and 659,913

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Solution

The third proportional to 303,996 and 659,913 is: 1,432,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,996 : 659,913 = 659,913 : x
  2. Step 2: Convert to fraction form
    303,996/659,913 = 659,913/x
  3. Step 3: Cross multiply
    303,996x = 659,913 × 659,913
  4. Step 4: Simplify right side
    303,996x = 435,485,167,569
  5. Step 5: Solve for x
    x = 435,485,167,569/303,996
  6. Step 6: Final answer
    x = 1,432,535.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.