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Finding the Third Proportional to 1,185.75 and 2,525.63

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Solution

The third proportional to 1,185.75 and 2,525.63 is: 5,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185.75 : 2,525.63 = 2,525.63 : x
  2. Step 2: Convert to fraction form
    1,185.75/2,525.63 = 2,525.63/x
  3. Step 3: Cross multiply
    1,185.75x = 2,525.63 × 2,525.63
  4. Step 4: Simplify right side
    1,185.75x = 6,378,781.64
  5. Step 5: Solve for x
    x = 6,378,781.64/1,185.75
  6. Step 6: Final answer
    x = 5,379.53

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.