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Finding the Third Proportional to 8,809.73 and 18,982.55

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Solution

The third proportional to 8,809.73 and 18,982.55 is: 40,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.73 : 18,982.55 = 18,982.55 : x
  2. Step 2: Convert to fraction form
    8,809.73/18,982.55 = 18,982.55/x
  3. Step 3: Cross multiply
    8,809.73x = 18,982.55 × 18,982.55
  4. Step 4: Simplify right side
    8,809.73x = 360,337,085.86
  5. Step 5: Solve for x
    x = 360,337,085.86/8,809.73
  6. Step 6: Final answer
    x = 40,902.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.