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Finding the Third Proportional to 179,484.50 and 391,567

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Solution

The third proportional to 179,484.50 and 391,567 is: 854,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,484.50 : 391,567 = 391,567 : x
  2. Step 2: Convert to fraction form
    179,484.50/391,567 = 391,567/x
  3. Step 3: Cross multiply
    179,484.50x = 391,567 × 391,567
  4. Step 4: Simplify right side
    179,484.50x = 153,324,715,489
  5. Step 5: Solve for x
    x = 153,324,715,489/179,484.50
  6. Step 6: Final answer
    x = 854,250.45

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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.