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Finding the Third Proportional to 1,104 and 1,716

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Solution

The third proportional to 1,104 and 1,716 is: 2,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104 : 1,716 = 1,716 : x
  2. Step 2: Convert to fraction form
    1,104/1,716 = 1,716/x
  3. Step 3: Cross multiply
    1,104x = 1,716 × 1,716
  4. Step 4: Simplify right side
    1,104x = 2,944,656
  5. Step 5: Solve for x
    x = 2,944,656/1,104
  6. Step 6: Final answer
    x = 2,667.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.