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Finding the Third Proportional to 79,900.88 and 177,537.38

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Solution

The third proportional to 79,900.88 and 177,537.38 is: 394,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,900.88 : 177,537.38 = 177,537.38 : x
  2. Step 2: Convert to fraction form
    79,900.88/177,537.38 = 177,537.38/x
  3. Step 3: Cross multiply
    79,900.88x = 177,537.38 × 177,537.38
  4. Step 4: Simplify right side
    79,900.88x = 31,519,519,521.89
  5. Step 5: Solve for x
    x = 31,519,519,521.89/79,900.88
  6. Step 6: Final answer
    x = 394,482.78

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.