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Finding the Third Proportional to 5,669 and 13,178.75

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Solution

The third proportional to 5,669 and 13,178.75 is: 30,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669 : 13,178.75 = 13,178.75 : x
  2. Step 2: Convert to fraction form
    5,669/13,178.75 = 13,178.75/x
  3. Step 3: Cross multiply
    5,669x = 13,178.75 × 13,178.75
  4. Step 4: Simplify right side
    5,669x = 173,679,451.56
  5. Step 5: Solve for x
    x = 173,679,451.56/5,669
  6. Step 6: Final answer
    x = 30,636.70

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.