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Finding the Third Proportional to 117,999.50 and 255,675

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Solution

The third proportional to 117,999.50 and 255,675 is: 553,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,999.50 : 255,675 = 255,675 : x
  2. Step 2: Convert to fraction form
    117,999.50/255,675 = 255,675/x
  3. Step 3: Cross multiply
    117,999.50x = 255,675 × 255,675
  4. Step 4: Simplify right side
    117,999.50x = 65,369,705,625
  5. Step 5: Solve for x
    x = 65,369,705,625/117,999.50
  6. Step 6: Final answer
    x = 553,982.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.