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Finding the Third Proportional to 5,205 and 7,937.25

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Solution

The third proportional to 5,205 and 7,937.25 is: 12,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205 : 7,937.25 = 7,937.25 : x
  2. Step 2: Convert to fraction form
    5,205/7,937.25 = 7,937.25/x
  3. Step 3: Cross multiply
    5,205x = 7,937.25 × 7,937.25
  4. Step 4: Simplify right side
    5,205x = 62,999,937.56
  5. Step 5: Solve for x
    x = 62,999,937.56/5,205
  6. Step 6: Final answer
    x = 12,103.73

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.