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Finding the Third Proportional to 1,193.17 and 1,817.28

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Solution

The third proportional to 1,193.17 and 1,817.28 is: 2,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.17 : 1,817.28 = 1,817.28 : x
  2. Step 2: Convert to fraction form
    1,193.17/1,817.28 = 1,817.28/x
  3. Step 3: Cross multiply
    1,193.17x = 1,817.28 × 1,817.28
  4. Step 4: Simplify right side
    1,193.17x = 3,302,504.04
  5. Step 5: Solve for x
    x = 3,302,504.04/1,193.17
  6. Step 6: Final answer
    x = 2,767.85

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.