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Finding the Third Proportional to 281,713.50 and 422,484.75

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Solution

The third proportional to 281,713.50 and 422,484.75 is: 633,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,713.50 : 422,484.75 = 422,484.75 : x
  2. Step 2: Convert to fraction form
    281,713.50/422,484.75 = 422,484.75/x
  3. Step 3: Cross multiply
    281,713.50x = 422,484.75 × 422,484.75
  4. Step 4: Simplify right side
    281,713.50x = 178,493,363,982.56
  5. Step 5: Solve for x
    x = 178,493,363,982.56/281,713.50
  6. Step 6: Final answer
    x = 633,598.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.