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Finding the Third Proportional to 1,575.28 and 3,249.28

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Solution

The third proportional to 1,575.28 and 3,249.28 is: 6,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.28 : 3,249.28 = 3,249.28 : x
  2. Step 2: Convert to fraction form
    1,575.28/3,249.28 = 3,249.28/x
  3. Step 3: Cross multiply
    1,575.28x = 3,249.28 × 3,249.28
  4. Step 4: Simplify right side
    1,575.28x = 10,557,828.64
  5. Step 5: Solve for x
    x = 10,557,828.64/1,575.28
  6. Step 6: Final answer
    x = 6,702.19

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.