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Finding the Third Proportional to 111,207.38 and 231,630.75

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Solution

The third proportional to 111,207.38 and 231,630.75 is: 482,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,207.38 : 231,630.75 = 231,630.75 : x
  2. Step 2: Convert to fraction form
    111,207.38/231,630.75 = 231,630.75/x
  3. Step 3: Cross multiply
    111,207.38x = 231,630.75 × 231,630.75
  4. Step 4: Simplify right side
    111,207.38x = 53,652,804,345.56
  5. Step 5: Solve for x
    x = 53,652,804,345.56/111,207.38
  6. Step 6: Final answer
    x = 482,457.25

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.