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Finding the Third Proportional to 3,886.75 and 8,292.25

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Solution

The third proportional to 3,886.75 and 8,292.25 is: 17,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.75 : 8,292.25 = 8,292.25 : x
  2. Step 2: Convert to fraction form
    3,886.75/8,292.25 = 8,292.25/x
  3. Step 3: Cross multiply
    3,886.75x = 8,292.25 × 8,292.25
  4. Step 4: Simplify right side
    3,886.75x = 68,761,410.06
  5. Step 5: Solve for x
    x = 68,761,410.06/3,886.75
  6. Step 6: Final answer
    x = 17,691.24

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.