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Finding the Third Proportional to 179,460.56 and 391,521.09

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Solution

The third proportional to 179,460.56 and 391,521.09 is: 854,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,460.56 : 391,521.09 = 391,521.09 : x
  2. Step 2: Convert to fraction form
    179,460.56/391,521.09 = 391,521.09/x
  3. Step 3: Cross multiply
    179,460.56x = 391,521.09 × 391,521.09
  4. Step 4: Simplify right side
    179,460.56x = 153,288,766,851.20
  5. Step 5: Solve for x
    x = 153,288,766,851.20/179,460.56
  6. Step 6: Final answer
    x = 854,164.08

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