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Finding the Third Proportional to 117,245.75 and 181,660.50

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Solution

The third proportional to 117,245.75 and 181,660.50 is: 281,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,245.75 : 181,660.50 = 181,660.50 : x
  2. Step 2: Convert to fraction form
    117,245.75/181,660.50 = 181,660.50/x
  3. Step 3: Cross multiply
    117,245.75x = 181,660.50 × 181,660.50
  4. Step 4: Simplify right side
    117,245.75x = 33,000,537,260.25
  5. Step 5: Solve for x
    x = 33,000,537,260.25/117,245.75
  6. Step 6: Final answer
    x = 281,464.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.