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Finding the Third Proportional to 9,358.06 and 20,289.94

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Solution

The third proportional to 9,358.06 and 20,289.94 is: 43,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.06 : 20,289.94 = 20,289.94 : x
  2. Step 2: Convert to fraction form
    9,358.06/20,289.94 = 20,289.94/x
  3. Step 3: Cross multiply
    9,358.06x = 20,289.94 × 20,289.94
  4. Step 4: Simplify right side
    9,358.06x = 411,681,563.75
  5. Step 5: Solve for x
    x = 411,681,563.75/9,358.06
  6. Step 6: Final answer
    x = 43,992.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.