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Finding the Third Proportional to 61,620.75 and 133,062.75

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Solution

The third proportional to 61,620.75 and 133,062.75 is: 287,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,620.75 : 133,062.75 = 133,062.75 : x
  2. Step 2: Convert to fraction form
    61,620.75/133,062.75 = 133,062.75/x
  3. Step 3: Cross multiply
    61,620.75x = 133,062.75 × 133,062.75
  4. Step 4: Simplify right side
    61,620.75x = 17,705,695,437.56
  5. Step 5: Solve for x
    x = 17,705,695,437.56/61,620.75
  6. Step 6: Final answer
    x = 287,333.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.