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Finding the Third Proportional to 139,013.25 and 303,512.25

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Solution

The third proportional to 139,013.25 and 303,512.25 is: 662,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,013.25 : 303,512.25 = 303,512.25 : x
  2. Step 2: Convert to fraction form
    139,013.25/303,512.25 = 303,512.25/x
  3. Step 3: Cross multiply
    139,013.25x = 303,512.25 × 303,512.25
  4. Step 4: Simplify right side
    139,013.25x = 92,119,685,900.06
  5. Step 5: Solve for x
    x = 92,119,685,900.06/139,013.25
  6. Step 6: Final answer
    x = 662,668.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.