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Finding the Third Proportional to 179,474.06 and 391,548.94

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Solution

The third proportional to 179,474.06 and 391,548.94 is: 854,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,474.06 : 391,548.94 = 391,548.94 : x
  2. Step 2: Convert to fraction form
    179,474.06/391,548.94 = 391,548.94/x
  3. Step 3: Cross multiply
    179,474.06x = 391,548.94 × 391,548.94
  4. Step 4: Simplify right side
    179,474.06x = 153,310,570,457.38
  5. Step 5: Solve for x
    x = 153,310,570,457.38/179,474.06
  6. Step 6: Final answer
    x = 854,221.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.