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Finding the Third Proportional to 33,870.75 and 74,444.75

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Solution

The third proportional to 33,870.75 and 74,444.75 is: 163,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.75 : 74,444.75 = 74,444.75 : x
  2. Step 2: Convert to fraction form
    33,870.75/74,444.75 = 74,444.75/x
  3. Step 3: Cross multiply
    33,870.75x = 74,444.75 × 74,444.75
  4. Step 4: Simplify right side
    33,870.75x = 5,542,020,802.56
  5. Step 5: Solve for x
    x = 5,542,020,802.56/33,870.75
  6. Step 6: Final answer
    x = 163,622.62

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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.