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Finding the Third Proportional to 667,076 and 998,790

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Solution

The third proportional to 667,076 and 998,790 is: 1,495,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,076 : 998,790 = 998,790 : x
  2. Step 2: Convert to fraction form
    667,076/998,790 = 998,790/x
  3. Step 3: Cross multiply
    667,076x = 998,790 × 998,790
  4. Step 4: Simplify right side
    667,076x = 997,581,464,100
  5. Step 5: Solve for x
    x = 997,581,464,100/667,076
  6. Step 6: Final answer
    x = 1,495,453.99

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