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Finding the Third Proportional to 217,030 and 450,692

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Solution

The third proportional to 217,030 and 450,692 is: 935,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,030 : 450,692 = 450,692 : x
  2. Step 2: Convert to fraction form
    217,030/450,692 = 450,692/x
  3. Step 3: Cross multiply
    217,030x = 450,692 × 450,692
  4. Step 4: Simplify right side
    217,030x = 203,123,278,864
  5. Step 5: Solve for x
    x = 203,123,278,864/217,030
  6. Step 6: Final answer
    x = 935,922.59

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.