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Finding the Third Proportional to 66,188.25 and 105,183.75

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Solution

The third proportional to 66,188.25 and 105,183.75 is: 167,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,188.25 : 105,183.75 = 105,183.75 : x
  2. Step 2: Convert to fraction form
    66,188.25/105,183.75 = 105,183.75/x
  3. Step 3: Cross multiply
    66,188.25x = 105,183.75 × 105,183.75
  4. Step 4: Simplify right side
    66,188.25x = 11,063,621,264.06
  5. Step 5: Solve for x
    x = 11,063,621,264.06/66,188.25
  6. Step 6: Final answer
    x = 167,153.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.