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Finding the Third Proportional to 61,661.25 and 127,696.50

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Solution

The third proportional to 61,661.25 and 127,696.50 is: 264,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,661.25 : 127,696.50 = 127,696.50 : x
  2. Step 2: Convert to fraction form
    61,661.25/127,696.50 = 127,696.50/x
  3. Step 3: Cross multiply
    61,661.25x = 127,696.50 × 127,696.50
  4. Step 4: Simplify right side
    61,661.25x = 16,306,396,112.25
  5. Step 5: Solve for x
    x = 16,306,396,112.25/61,661.25
  6. Step 6: Final answer
    x = 264,451.27

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.