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Finding the Third Proportional to 4,231.17 and 6,577.42

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Solution

The third proportional to 4,231.17 and 6,577.42 is: 10,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.17 : 6,577.42 = 6,577.42 : x
  2. Step 2: Convert to fraction form
    4,231.17/6,577.42 = 6,577.42/x
  3. Step 3: Cross multiply
    4,231.17x = 6,577.42 × 6,577.42
  4. Step 4: Simplify right side
    4,231.17x = 43,262,434.36
  5. Step 5: Solve for x
    x = 43,262,434.36/4,231.17
  6. Step 6: Final answer
    x = 10,224.69

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.