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Finding the Third Proportional to 9,404.86 and 20,279.11

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Solution

The third proportional to 9,404.86 and 20,279.11 is: 43,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404.86 : 20,279.11 = 20,279.11 : x
  2. Step 2: Convert to fraction form
    9,404.86/20,279.11 = 20,279.11/x
  3. Step 3: Cross multiply
    9,404.86x = 20,279.11 × 20,279.11
  4. Step 4: Simplify right side
    9,404.86x = 411,242,277.04
  5. Step 5: Solve for x
    x = 411,242,277.04/9,404.86
  6. Step 6: Final answer
    x = 43,726.57

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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.