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Finding the Third Proportional to 54,920 and 119,317

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Solution

The third proportional to 54,920 and 119,317 is: 259,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920 : 119,317 = 119,317 : x
  2. Step 2: Convert to fraction form
    54,920/119,317 = 119,317/x
  3. Step 3: Cross multiply
    54,920x = 119,317 × 119,317
  4. Step 4: Simplify right side
    54,920x = 14,236,546,489
  5. Step 5: Solve for x
    x = 14,236,546,489/54,920
  6. Step 6: Final answer
    x = 259,223.35

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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.