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Finding the Third Proportional to 45,211.50 and 66,190.50

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Solution

The third proportional to 45,211.50 and 66,190.50 is: 96,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,211.50 : 66,190.50 = 66,190.50 : x
  2. Step 2: Convert to fraction form
    45,211.50/66,190.50 = 66,190.50/x
  3. Step 3: Cross multiply
    45,211.50x = 66,190.50 × 66,190.50
  4. Step 4: Simplify right side
    45,211.50x = 4,381,182,290.25
  5. Step 5: Solve for x
    x = 4,381,182,290.25/45,211.50
  6. Step 6: Final answer
    x = 96,904.16

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.