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Finding the Third Proportional to 6,279.19 and 9,181.69

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Solution

The third proportional to 6,279.19 and 9,181.69 is: 13,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.19 : 9,181.69 = 9,181.69 : x
  2. Step 2: Convert to fraction form
    6,279.19/9,181.69 = 9,181.69/x
  3. Step 3: Cross multiply
    6,279.19x = 9,181.69 × 9,181.69
  4. Step 4: Simplify right side
    6,279.19x = 84,303,385.35
  5. Step 5: Solve for x
    x = 84,303,385.35/6,279.19
  6. Step 6: Final answer
    x = 13,425.84

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.