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Finding the Third Proportional to 111,621.38 and 244,921.64

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Solution

The third proportional to 111,621.38 and 244,921.64 is: 537,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,621.38 : 244,921.64 = 244,921.64 : x
  2. Step 2: Convert to fraction form
    111,621.38/244,921.64 = 244,921.64/x
  3. Step 3: Cross multiply
    111,621.38x = 244,921.64 × 244,921.64
  4. Step 4: Simplify right side
    111,621.38x = 59,986,610,046.44
  5. Step 5: Solve for x
    x = 59,986,610,046.44/111,621.38
  6. Step 6: Final answer
    x = 537,411.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.