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Finding the Third Proportional to 51,021 and 118,608.75

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Solution

The third proportional to 51,021 and 118,608.75 is: 275,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,021 : 118,608.75 = 118,608.75 : x
  2. Step 2: Convert to fraction form
    51,021/118,608.75 = 118,608.75/x
  3. Step 3: Cross multiply
    51,021x = 118,608.75 × 118,608.75
  4. Step 4: Simplify right side
    51,021x = 14,068,035,576.56
  5. Step 5: Solve for x
    x = 14,068,035,576.56/51,021
  6. Step 6: Final answer
    x = 275,730.30

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.