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Finding the Third Proportional to 5,805.75 and 8,721.75

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Solution

The third proportional to 5,805.75 and 8,721.75 is: 13,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.75 : 8,721.75 = 8,721.75 : x
  2. Step 2: Convert to fraction form
    5,805.75/8,721.75 = 8,721.75/x
  3. Step 3: Cross multiply
    5,805.75x = 8,721.75 × 8,721.75
  4. Step 4: Simplify right side
    5,805.75x = 76,068,923.06
  5. Step 5: Solve for x
    x = 76,068,923.06/5,805.75
  6. Step 6: Final answer
    x = 13,102.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.