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Finding the Third Proportional to 449,139 and 982,758

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Solution

The third proportional to 449,139 and 982,758 is: 2,150,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,139 : 982,758 = 982,758 : x
  2. Step 2: Convert to fraction form
    449,139/982,758 = 982,758/x
  3. Step 3: Cross multiply
    449,139x = 982,758 × 982,758
  4. Step 4: Simplify right side
    449,139x = 965,813,286,564
  5. Step 5: Solve for x
    x = 965,813,286,564/449,139
  6. Step 6: Final answer
    x = 2,150,366.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.