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Finding the Third Proportional to 81,176 and 174,448

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Solution

The third proportional to 81,176 and 174,448 is: 374,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176 : 174,448 = 174,448 : x
  2. Step 2: Convert to fraction form
    81,176/174,448 = 174,448/x
  3. Step 3: Cross multiply
    81,176x = 174,448 × 174,448
  4. Step 4: Simplify right side
    81,176x = 30,432,104,704
  5. Step 5: Solve for x
    x = 30,432,104,704/81,176
  6. Step 6: Final answer
    x = 374,890.42

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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.