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Finding the Third Proportional to 187,647.75 and 283,099.50

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Solution

The third proportional to 187,647.75 and 283,099.50 is: 427,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,647.75 : 283,099.50 = 283,099.50 : x
  2. Step 2: Convert to fraction form
    187,647.75/283,099.50 = 283,099.50/x
  3. Step 3: Cross multiply
    187,647.75x = 283,099.50 × 283,099.50
  4. Step 4: Simplify right side
    187,647.75x = 80,145,326,900.25
  5. Step 5: Solve for x
    x = 80,145,326,900.25/187,647.75
  6. Step 6: Final answer
    x = 427,105.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.