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Finding the Third Proportional to 3,777 and 8,886.75

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Solution

The third proportional to 3,777 and 8,886.75 is: 20,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777 : 8,886.75 = 8,886.75 : x
  2. Step 2: Convert to fraction form
    3,777/8,886.75 = 8,886.75/x
  3. Step 3: Cross multiply
    3,777x = 8,886.75 × 8,886.75
  4. Step 4: Simplify right side
    3,777x = 78,974,325.56
  5. Step 5: Solve for x
    x = 78,974,325.56/3,777
  6. Step 6: Final answer
    x = 20,909.27

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.