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Finding the Third Proportional to 8,211 and 17,402.25

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Solution

The third proportional to 8,211 and 17,402.25 is: 36,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211 : 17,402.25 = 17,402.25 : x
  2. Step 2: Convert to fraction form
    8,211/17,402.25 = 17,402.25/x
  3. Step 3: Cross multiply
    8,211x = 17,402.25 × 17,402.25
  4. Step 4: Simplify right side
    8,211x = 302,838,305.06
  5. Step 5: Solve for x
    x = 302,838,305.06/8,211
  6. Step 6: Final answer
    x = 36,882.02

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.