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Finding the Third Proportional to 5,006 and 7,725

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Solution

The third proportional to 5,006 and 7,725 is: 11,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006 : 7,725 = 7,725 : x
  2. Step 2: Convert to fraction form
    5,006/7,725 = 7,725/x
  3. Step 3: Cross multiply
    5,006x = 7,725 × 7,725
  4. Step 4: Simplify right side
    5,006x = 59,675,625
  5. Step 5: Solve for x
    x = 59,675,625/5,006
  6. Step 6: Final answer
    x = 11,920.82

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.