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Finding the Third Proportional to 41,515.50 and 66,091.50

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Solution

The third proportional to 41,515.50 and 66,091.50 is: 105,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,515.50 : 66,091.50 = 66,091.50 : x
  2. Step 2: Convert to fraction form
    41,515.50/66,091.50 = 66,091.50/x
  3. Step 3: Cross multiply
    41,515.50x = 66,091.50 × 66,091.50
  4. Step 4: Simplify right side
    41,515.50x = 4,368,086,372.25
  5. Step 5: Solve for x
    x = 4,368,086,372.25/41,515.50
  6. Step 6: Final answer
    x = 105,215.80

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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.