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Finding the Third Proportional to 989,177 and 1,488,406

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Solution

The third proportional to 989,177 and 1,488,406 is: 2,239,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,177 : 1,488,406 = 1,488,406 : x
  2. Step 2: Convert to fraction form
    989,177/1,488,406 = 1,488,406/x
  3. Step 3: Cross multiply
    989,177x = 1,488,406 × 1,488,406
  4. Step 4: Simplify right side
    989,177x = 2,215,352,420,836
  5. Step 5: Solve for x
    x = 2,215,352,420,836/989,177
  6. Step 6: Final answer
    x = 2,239,591.52

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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.