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Finding the Third Proportional to 111,221.44 and 239,938.88

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Solution

The third proportional to 111,221.44 and 239,938.88 is: 517,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,221.44 : 239,938.88 = 239,938.88 : x
  2. Step 2: Convert to fraction form
    111,221.44/239,938.88 = 239,938.88/x
  3. Step 3: Cross multiply
    111,221.44x = 239,938.88 × 239,938.88
  4. Step 4: Simplify right side
    111,221.44x = 57,570,663,736.27
  5. Step 5: Solve for x
    x = 57,570,663,736.27/111,221.44
  6. Step 6: Final answer
    x = 517,622.01

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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.