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Finding the Third Proportional to 181,804.50 and 397,467

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Solution

The third proportional to 181,804.50 and 397,467 is: 868,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,804.50 : 397,467 = 397,467 : x
  2. Step 2: Convert to fraction form
    181,804.50/397,467 = 397,467/x
  3. Step 3: Cross multiply
    181,804.50x = 397,467 × 397,467
  4. Step 4: Simplify right side
    181,804.50x = 157,980,016,089
  5. Step 5: Solve for x
    x = 157,980,016,089/181,804.50
  6. Step 6: Final answer
    x = 868,955.48

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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.