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Finding the Third Proportional to 183,789.28 and 281,090.67

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Solution

The third proportional to 183,789.28 and 281,090.67 is: 429,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,789.28 : 281,090.67 = 281,090.67 : x
  2. Step 2: Convert to fraction form
    183,789.28/281,090.67 = 281,090.67/x
  3. Step 3: Cross multiply
    183,789.28x = 281,090.67 × 281,090.67
  4. Step 4: Simplify right side
    183,789.28x = 79,011,965,815.14
  5. Step 5: Solve for x
    x = 79,011,965,815.14/183,789.28
  6. Step 6: Final answer
    x = 429,905.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.