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Finding the Third Proportional to 82,448 and 176,578

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Solution

The third proportional to 82,448 and 176,578 is: 378,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,448 : 176,578 = 176,578 : x
  2. Step 2: Convert to fraction form
    82,448/176,578 = 176,578/x
  3. Step 3: Cross multiply
    82,448x = 176,578 × 176,578
  4. Step 4: Simplify right side
    82,448x = 31,179,790,084
  5. Step 5: Solve for x
    x = 31,179,790,084/82,448
  6. Step 6: Final answer
    x = 378,175.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.