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Finding the Third Proportional to 201,156.75 and 281,900.25

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Solution

The third proportional to 201,156.75 and 281,900.25 is: 395,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,156.75 : 281,900.25 = 281,900.25 : x
  2. Step 2: Convert to fraction form
    201,156.75/281,900.25 = 281,900.25/x
  3. Step 3: Cross multiply
    201,156.75x = 281,900.25 × 281,900.25
  4. Step 4: Simplify right side
    201,156.75x = 79,467,750,950.06
  5. Step 5: Solve for x
    x = 79,467,750,950.06/201,156.75
  6. Step 6: Final answer
    x = 395,053.86

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.