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Finding the Third Proportional to 5,379.75 and 11,652.84

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Solution

The third proportional to 5,379.75 and 11,652.84 is: 25,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.75 : 11,652.84 = 11,652.84 : x
  2. Step 2: Convert to fraction form
    5,379.75/11,652.84 = 11,652.84/x
  3. Step 3: Cross multiply
    5,379.75x = 11,652.84 × 11,652.84
  4. Step 4: Simplify right side
    5,379.75x = 135,788,767.46
  5. Step 5: Solve for x
    x = 135,788,767.46/5,379.75
  6. Step 6: Final answer
    x = 25,240.72

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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.