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Finding the Third Proportional to 8,856 and 13,623.75

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Solution

The third proportional to 8,856 and 13,623.75 is: 20,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856 : 13,623.75 = 13,623.75 : x
  2. Step 2: Convert to fraction form
    8,856/13,623.75 = 13,623.75/x
  3. Step 3: Cross multiply
    8,856x = 13,623.75 × 13,623.75
  4. Step 4: Simplify right side
    8,856x = 185,606,564.06
  5. Step 5: Solve for x
    x = 185,606,564.06/8,856
  6. Step 6: Final answer
    x = 20,958.28

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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.