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Finding the Third Proportional to 1,105.25 and 2,345.04

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Solution

The third proportional to 1,105.25 and 2,345.04 is: 4,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105.25 : 2,345.04 = 2,345.04 : x
  2. Step 2: Convert to fraction form
    1,105.25/2,345.04 = 2,345.04/x
  3. Step 3: Cross multiply
    1,105.25x = 2,345.04 × 2,345.04
  4. Step 4: Simplify right side
    1,105.25x = 5,499,235.69
  5. Step 5: Solve for x
    x = 5,499,235.69/1,105.25
  6. Step 6: Final answer
    x = 4,975.57

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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.