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Finding the Third Proportional to 5,518.76 and 11,692.48

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Solution

The third proportional to 5,518.76 and 11,692.48 is: 24,772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.76 : 11,692.48 = 11,692.48 : x
  2. Step 2: Convert to fraction form
    5,518.76/11,692.48 = 11,692.48/x
  3. Step 3: Cross multiply
    5,518.76x = 11,692.48 × 11,692.48
  4. Step 4: Simplify right side
    5,518.76x = 136,714,008.16
  5. Step 5: Solve for x
    x = 136,714,008.16/5,518.76
  6. Step 6: Final answer
    x = 24,772.61

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.