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Finding the Third Proportional to 7,992.75 and 17,442.75

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Solution

The third proportional to 7,992.75 and 17,442.75 is: 38,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.75 : 17,442.75 = 17,442.75 : x
  2. Step 2: Convert to fraction form
    7,992.75/17,442.75 = 17,442.75/x
  3. Step 3: Cross multiply
    7,992.75x = 17,442.75 × 17,442.75
  4. Step 4: Simplify right side
    7,992.75x = 304,249,527.56
  5. Step 5: Solve for x
    x = 304,249,527.56/7,992.75
  6. Step 6: Final answer
    x = 38,065.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.