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Finding the Third Proportional to 1,224.75 and 2,670.38

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Solution

The third proportional to 1,224.75 and 2,670.38 is: 5,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.75 : 2,670.38 = 2,670.38 : x
  2. Step 2: Convert to fraction form
    1,224.75/2,670.38 = 2,670.38/x
  3. Step 3: Cross multiply
    1,224.75x = 2,670.38 × 2,670.38
  4. Step 4: Simplify right side
    1,224.75x = 7,130,902.64
  5. Step 5: Solve for x
    x = 7,130,902.64/1,224.75
  6. Step 6: Final answer
    x = 5,822.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.