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Finding the Third Proportional to 61,881 and 127,041

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Solution

The third proportional to 61,881 and 127,041 is: 260,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,881 : 127,041 = 127,041 : x
  2. Step 2: Convert to fraction form
    61,881/127,041 = 127,041/x
  3. Step 3: Cross multiply
    61,881x = 127,041 × 127,041
  4. Step 4: Simplify right side
    61,881x = 16,139,415,681
  5. Step 5: Solve for x
    x = 16,139,415,681/61,881
  6. Step 6: Final answer
    x = 260,813.75

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.