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Finding the Third Proportional to 62,604.75 and 139,205.25

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Solution

The third proportional to 62,604.75 and 139,205.25 is: 309,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,604.75 : 139,205.25 = 139,205.25 : x
  2. Step 2: Convert to fraction form
    62,604.75/139,205.25 = 139,205.25/x
  3. Step 3: Cross multiply
    62,604.75x = 139,205.25 × 139,205.25
  4. Step 4: Simplify right side
    62,604.75x = 19,378,101,627.56
  5. Step 5: Solve for x
    x = 19,378,101,627.56/62,604.75
  6. Step 6: Final answer
    x = 309,530.85

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.