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Finding the Third Proportional to 78,765.75 and 119,604.94

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Solution

The third proportional to 78,765.75 and 119,604.94 is: 181,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,765.75 : 119,604.94 = 119,604.94 : x
  2. Step 2: Convert to fraction form
    78,765.75/119,604.94 = 119,604.94/x
  3. Step 3: Cross multiply
    78,765.75x = 119,604.94 × 119,604.94
  4. Step 4: Simplify right side
    78,765.75x = 14,305,341,074.38
  5. Step 5: Solve for x
    x = 14,305,341,074.38/78,765.75
  6. Step 6: Final answer
    x = 181,618.80

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.