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Finding the Third Proportional to 5,678.25 and 12,132.75

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Solution

The third proportional to 5,678.25 and 12,132.75 is: 25,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.25 : 12,132.75 = 12,132.75 : x
  2. Step 2: Convert to fraction form
    5,678.25/12,132.75 = 12,132.75/x
  3. Step 3: Cross multiply
    5,678.25x = 12,132.75 × 12,132.75
  4. Step 4: Simplify right side
    5,678.25x = 147,203,622.56
  5. Step 5: Solve for x
    x = 147,203,622.56/5,678.25
  6. Step 6: Final answer
    x = 25,924.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.