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Finding the Third Proportional to 63,321.75 and 133,908.75

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Solution

The third proportional to 63,321.75 and 133,908.75 is: 283,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,321.75 : 133,908.75 = 133,908.75 : x
  2. Step 2: Convert to fraction form
    63,321.75/133,908.75 = 133,908.75/x
  3. Step 3: Cross multiply
    63,321.75x = 133,908.75 × 133,908.75
  4. Step 4: Simplify right side
    63,321.75x = 17,931,553,326.56
  5. Step 5: Solve for x
    x = 17,931,553,326.56/63,321.75
  6. Step 6: Final answer
    x = 283,181.58

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.