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Finding the Third Proportional to 116,190 and 251,918

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Solution

The third proportional to 116,190 and 251,918 is: 546,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,190 : 251,918 = 251,918 : x
  2. Step 2: Convert to fraction form
    116,190/251,918 = 251,918/x
  3. Step 3: Cross multiply
    116,190x = 251,918 × 251,918
  4. Step 4: Simplify right side
    116,190x = 63,462,678,724
  5. Step 5: Solve for x
    x = 63,462,678,724/116,190
  6. Step 6: Final answer
    x = 546,197.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.