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Finding the Third Proportional to 119,450 and 259,972

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Solution

The third proportional to 119,450 and 259,972 is: 565,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,450 : 259,972 = 259,972 : x
  2. Step 2: Convert to fraction form
    119,450/259,972 = 259,972/x
  3. Step 3: Cross multiply
    119,450x = 259,972 × 259,972
  4. Step 4: Simplify right side
    119,450x = 67,585,440,784
  5. Step 5: Solve for x
    x = 67,585,440,784/119,450
  6. Step 6: Final answer
    x = 565,805.28

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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.