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Finding the Third Proportional to 111,099 and 239,652

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Solution

The third proportional to 111,099 and 239,652 is: 516,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,099 : 239,652 = 239,652 : x
  2. Step 2: Convert to fraction form
    111,099/239,652 = 239,652/x
  3. Step 3: Cross multiply
    111,099x = 239,652 × 239,652
  4. Step 4: Simplify right side
    111,099x = 57,433,081,104
  5. Step 5: Solve for x
    x = 57,433,081,104/111,099
  6. Step 6: Final answer
    x = 516,954.08

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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.