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Finding the Third Proportional to 1,277.44 and 2,729.53

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Solution

The third proportional to 1,277.44 and 2,729.53 is: 5,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277.44 : 2,729.53 = 2,729.53 : x
  2. Step 2: Convert to fraction form
    1,277.44/2,729.53 = 2,729.53/x
  3. Step 3: Cross multiply
    1,277.44x = 2,729.53 × 2,729.53
  4. Step 4: Simplify right side
    1,277.44x = 7,450,340.84
  5. Step 5: Solve for x
    x = 7,450,340.84/1,277.44
  6. Step 6: Final answer
    x = 5,832.25

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.