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Finding the Third Proportional to 61,756 and 125,699

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Solution

The third proportional to 61,756 and 125,699 is: 255,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,756 : 125,699 = 125,699 : x
  2. Step 2: Convert to fraction form
    61,756/125,699 = 125,699/x
  3. Step 3: Cross multiply
    61,756x = 125,699 × 125,699
  4. Step 4: Simplify right side
    61,756x = 15,800,238,601
  5. Step 5: Solve for x
    x = 15,800,238,601/61,756
  6. Step 6: Final answer
    x = 255,849.45

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.