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Finding the Third Proportional to 4,768.88 and 7,440.19

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Solution

The third proportional to 4,768.88 and 7,440.19 is: 11,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.88 : 7,440.19 = 7,440.19 : x
  2. Step 2: Convert to fraction form
    4,768.88/7,440.19 = 7,440.19/x
  3. Step 3: Cross multiply
    4,768.88x = 7,440.19 × 7,440.19
  4. Step 4: Simplify right side
    4,768.88x = 55,356,390.04
  5. Step 5: Solve for x
    x = 55,356,390.04/4,768.88
  6. Step 6: Final answer
    x = 11,607.85

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.