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Finding the Third Proportional to 82,104.25 and 176,487

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Solution

The third proportional to 82,104.25 and 176,487 is: 379,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,104.25 : 176,487 = 176,487 : x
  2. Step 2: Convert to fraction form
    82,104.25/176,487 = 176,487/x
  3. Step 3: Cross multiply
    82,104.25x = 176,487 × 176,487
  4. Step 4: Simplify right side
    82,104.25x = 31,147,661,169
  5. Step 5: Solve for x
    x = 31,147,661,169/82,104.25
  6. Step 6: Final answer
    x = 379,367.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.