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Finding the Third Proportional to 1,179.56 and 2,559.94

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Solution

The third proportional to 1,179.56 and 2,559.94 is: 5,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.56 : 2,559.94 = 2,559.94 : x
  2. Step 2: Convert to fraction form
    1,179.56/2,559.94 = 2,559.94/x
  3. Step 3: Cross multiply
    1,179.56x = 2,559.94 × 2,559.94
  4. Step 4: Simplify right side
    1,179.56x = 6,553,280.00
  5. Step 5: Solve for x
    x = 6,553,280.00/1,179.56
  6. Step 6: Final answer
    x = 5,555.69

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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.