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Finding the Third Proportional to 106,455 and 177,415.50

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Solution

The third proportional to 106,455 and 177,415.50 is: 295,676.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,455 : 177,415.50 = 177,415.50 : x
  2. Step 2: Convert to fraction form
    106,455/177,415.50 = 177,415.50/x
  3. Step 3: Cross multiply
    106,455x = 177,415.50 × 177,415.50
  4. Step 4: Simplify right side
    106,455x = 31,476,259,640.25
  5. Step 5: Solve for x
    x = 31,476,259,640.25/106,455
  6. Step 6: Final answer
    x = 295,676.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.