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Finding the Third Proportional to 1,170.66 and 2,513.44

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Solution

The third proportional to 1,170.66 and 2,513.44 is: 5,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.66 : 2,513.44 = 2,513.44 : x
  2. Step 2: Convert to fraction form
    1,170.66/2,513.44 = 2,513.44/x
  3. Step 3: Cross multiply
    1,170.66x = 2,513.44 × 2,513.44
  4. Step 4: Simplify right side
    1,170.66x = 6,317,368.07
  5. Step 5: Solve for x
    x = 6,317,368.07/1,170.66
  6. Step 6: Final answer
    x = 5,396.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.