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Finding the Third Proportional to 118,171 and 177,344.50

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Solution

The third proportional to 118,171 and 177,344.50 is: 266,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,171 : 177,344.50 = 177,344.50 : x
  2. Step 2: Convert to fraction form
    118,171/177,344.50 = 177,344.50/x
  3. Step 3: Cross multiply
    118,171x = 177,344.50 × 177,344.50
  4. Step 4: Simplify right side
    118,171x = 31,451,071,680.25
  5. Step 5: Solve for x
    x = 31,451,071,680.25/118,171
  6. Step 6: Final answer
    x = 266,148.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.