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Finding the Third Proportional to 1,204.56 and 2,787.14

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Solution

The third proportional to 1,204.56 and 2,787.14 is: 6,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.56 : 2,787.14 = 2,787.14 : x
  2. Step 2: Convert to fraction form
    1,204.56/2,787.14 = 2,787.14/x
  3. Step 3: Cross multiply
    1,204.56x = 2,787.14 × 2,787.14
  4. Step 4: Simplify right side
    1,204.56x = 7,768,169.19
  5. Step 5: Solve for x
    x = 7,768,169.19/1,204.56
  6. Step 6: Final answer
    x = 6,448.98

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.