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Finding the Third Proportional to 39,944 and 61,128

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Solution

The third proportional to 39,944 and 61,128 is: 93,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944 : 61,128 = 61,128 : x
  2. Step 2: Convert to fraction form
    39,944/61,128 = 61,128/x
  3. Step 3: Cross multiply
    39,944x = 61,128 × 61,128
  4. Step 4: Simplify right side
    39,944x = 3,736,632,384
  5. Step 5: Solve for x
    x = 3,736,632,384/39,944
  6. Step 6: Final answer
    x = 93,546.78

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.