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Finding the Third Proportional to 8,440.45 and 18,076.92

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Solution

The third proportional to 8,440.45 and 18,076.92 is: 38,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.45 : 18,076.92 = 18,076.92 : x
  2. Step 2: Convert to fraction form
    8,440.45/18,076.92 = 18,076.92/x
  3. Step 3: Cross multiply
    8,440.45x = 18,076.92 × 18,076.92
  4. Step 4: Simplify right side
    8,440.45x = 326,775,104.47
  5. Step 5: Solve for x
    x = 326,775,104.47/8,440.45
  6. Step 6: Final answer
    x = 38,715.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.