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Finding the Third Proportional to 55,166 and 118,828

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Solution

The third proportional to 55,166 and 118,828 is: 255,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166 : 118,828 = 118,828 : x
  2. Step 2: Convert to fraction form
    55,166/118,828 = 118,828/x
  3. Step 3: Cross multiply
    55,166x = 118,828 × 118,828
  4. Step 4: Simplify right side
    55,166x = 14,120,093,584
  5. Step 5: Solve for x
    x = 14,120,093,584/55,166
  6. Step 6: Final answer
    x = 255,956.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.