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Finding the Third Proportional to 187,408.50 and 409,768.50

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Solution

The third proportional to 187,408.50 and 409,768.50 is: 895,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,408.50 : 409,768.50 = 409,768.50 : x
  2. Step 2: Convert to fraction form
    187,408.50/409,768.50 = 409,768.50/x
  3. Step 3: Cross multiply
    187,408.50x = 409,768.50 × 409,768.50
  4. Step 4: Simplify right side
    187,408.50x = 167,910,223,592.25
  5. Step 5: Solve for x
    x = 167,910,223,592.25/187,408.50
  6. Step 6: Final answer
    x = 895,958.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.