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Finding the Third Proportional to 1,181.45 and 2,579.07

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Solution

The third proportional to 1,181.45 and 2,579.07 is: 5,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.45 : 2,579.07 = 2,579.07 : x
  2. Step 2: Convert to fraction form
    1,181.45/2,579.07 = 2,579.07/x
  3. Step 3: Cross multiply
    1,181.45x = 2,579.07 × 2,579.07
  4. Step 4: Simplify right side
    1,181.45x = 6,651,623.83
  5. Step 5: Solve for x
    x = 6,651,623.83/1,181.45
  6. Step 6: Final answer
    x = 5,630.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.