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Finding the Third Proportional to 34,048.75 and 74,815.75

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Solution

The third proportional to 34,048.75 and 74,815.75 is: 164,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,048.75 : 74,815.75 = 74,815.75 : x
  2. Step 2: Convert to fraction form
    34,048.75/74,815.75 = 74,815.75/x
  3. Step 3: Cross multiply
    34,048.75x = 74,815.75 × 74,815.75
  4. Step 4: Simplify right side
    34,048.75x = 5,597,396,448.06
  5. Step 5: Solve for x
    x = 5,597,396,448.06/34,048.75
  6. Step 6: Final answer
    x = 164,393.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.