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Finding the Third Proportional to 1,551.66 and 3,353.91

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Solution

The third proportional to 1,551.66 and 3,353.91 is: 7,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.66 : 3,353.91 = 3,353.91 : x
  2. Step 2: Convert to fraction form
    1,551.66/3,353.91 = 3,353.91/x
  3. Step 3: Cross multiply
    1,551.66x = 3,353.91 × 3,353.91
  4. Step 4: Simplify right side
    1,551.66x = 11,248,687.13
  5. Step 5: Solve for x
    x = 11,248,687.13/1,551.66
  6. Step 6: Final answer
    x = 7,249.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.