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Finding the Third Proportional to 3,154.88 and 4,617.56

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Solution

The third proportional to 3,154.88 and 4,617.56 is: 6,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.88 : 4,617.56 = 4,617.56 : x
  2. Step 2: Convert to fraction form
    3,154.88/4,617.56 = 4,617.56/x
  3. Step 3: Cross multiply
    3,154.88x = 4,617.56 × 4,617.56
  4. Step 4: Simplify right side
    3,154.88x = 21,321,883.44
  5. Step 5: Solve for x
    x = 21,321,883.44/3,154.88
  6. Step 6: Final answer
    x = 6,758.39

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.