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Finding the Third Proportional to 6,468.75 and 12,147.75

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Solution

The third proportional to 6,468.75 and 12,147.75 is: 22,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.75 : 12,147.75 = 12,147.75 : x
  2. Step 2: Convert to fraction form
    6,468.75/12,147.75 = 12,147.75/x
  3. Step 3: Cross multiply
    6,468.75x = 12,147.75 × 12,147.75
  4. Step 4: Simplify right side
    6,468.75x = 147,567,830.06
  5. Step 5: Solve for x
    x = 147,567,830.06/6,468.75
  6. Step 6: Final answer
    x = 22,812.42

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.