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Finding the Third Proportional to 181,919 and 382,687

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Solution

The third proportional to 181,919 and 382,687 is: 805,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,919 : 382,687 = 382,687 : x
  2. Step 2: Convert to fraction form
    181,919/382,687 = 382,687/x
  3. Step 3: Cross multiply
    181,919x = 382,687 × 382,687
  4. Step 4: Simplify right side
    181,919x = 146,449,339,969
  5. Step 5: Solve for x
    x = 146,449,339,969/181,919
  6. Step 6: Final answer
    x = 805,024.98

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.