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Finding the Third Proportional to 7,055.44 and 9,175.78

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Solution

The third proportional to 7,055.44 and 9,175.78 is: 11,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.44 : 9,175.78 = 9,175.78 : x
  2. Step 2: Convert to fraction form
    7,055.44/9,175.78 = 9,175.78/x
  3. Step 3: Cross multiply
    7,055.44x = 9,175.78 × 9,175.78
  4. Step 4: Simplify right side
    7,055.44x = 84,194,961.55
  5. Step 5: Solve for x
    x = 84,194,961.55/7,055.44
  6. Step 6: Final answer
    x = 11,933.34

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.