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Finding the Third Proportional to 80,392.50 and 176,823

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Solution

The third proportional to 80,392.50 and 176,823 is: 388,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,392.50 : 176,823 = 176,823 : x
  2. Step 2: Convert to fraction form
    80,392.50/176,823 = 176,823/x
  3. Step 3: Cross multiply
    80,392.50x = 176,823 × 176,823
  4. Step 4: Simplify right side
    80,392.50x = 31,266,373,329
  5. Step 5: Solve for x
    x = 31,266,373,329/80,392.50
  6. Step 6: Final answer
    x = 388,921.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.