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Finding the Third Proportional to 117,576 and 177,424

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Solution

The third proportional to 117,576 and 177,424 is: 267,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,576 : 177,424 = 177,424 : x
  2. Step 2: Convert to fraction form
    117,576/177,424 = 177,424/x
  3. Step 3: Cross multiply
    117,576x = 177,424 × 177,424
  4. Step 4: Simplify right side
    117,576x = 31,479,275,776
  5. Step 5: Solve for x
    x = 31,479,275,776/117,576
  6. Step 6: Final answer
    x = 267,735.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.