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Finding the Third Proportional to 181,784.25 and 396,616.50

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Solution

The third proportional to 181,784.25 and 396,616.50 is: 865,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,784.25 : 396,616.50 = 396,616.50 : x
  2. Step 2: Convert to fraction form
    181,784.25/396,616.50 = 396,616.50/x
  3. Step 3: Cross multiply
    181,784.25x = 396,616.50 × 396,616.50
  4. Step 4: Simplify right side
    181,784.25x = 157,304,648,072.25
  5. Step 5: Solve for x
    x = 157,304,648,072.25/181,784.25
  6. Step 6: Final answer
    x = 865,337.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.