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Finding the Third Proportional to 8,960.63 and 19,379.25

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Solution

The third proportional to 8,960.63 and 19,379.25 is: 41,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.63 : 19,379.25 = 19,379.25 : x
  2. Step 2: Convert to fraction form
    8,960.63/19,379.25 = 19,379.25/x
  3. Step 3: Cross multiply
    8,960.63x = 19,379.25 × 19,379.25
  4. Step 4: Simplify right side
    8,960.63x = 375,555,330.56
  5. Step 5: Solve for x
    x = 375,555,330.56/8,960.63
  6. Step 6: Final answer
    x = 41,911.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.