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Finding the Third Proportional to 1,117.69 and 2,285.44

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Solution

The third proportional to 1,117.69 and 2,285.44 is: 4,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.69 : 2,285.44 = 2,285.44 : x
  2. Step 2: Convert to fraction form
    1,117.69/2,285.44 = 2,285.44/x
  3. Step 3: Cross multiply
    1,117.69x = 2,285.44 × 2,285.44
  4. Step 4: Simplify right side
    1,117.69x = 5,223,224.57
  5. Step 5: Solve for x
    x = 5,223,224.57/1,117.69
  6. Step 6: Final answer
    x = 4,673.24

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.