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Finding the Third Proportional to 187,114.50 and 408,087

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Solution

The third proportional to 187,114.50 and 408,087 is: 890,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,114.50 : 408,087 = 408,087 : x
  2. Step 2: Convert to fraction form
    187,114.50/408,087 = 408,087/x
  3. Step 3: Cross multiply
    187,114.50x = 408,087 × 408,087
  4. Step 4: Simplify right side
    187,114.50x = 166,534,999,569
  5. Step 5: Solve for x
    x = 166,534,999,569/187,114.50
  6. Step 6: Final answer
    x = 890,016.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.