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Finding the Third Proportional to 465,806 and 998,020

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Solution

The third proportional to 465,806 and 998,020 is: 2,138,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,806 : 998,020 = 998,020 : x
  2. Step 2: Convert to fraction form
    465,806/998,020 = 998,020/x
  3. Step 3: Cross multiply
    465,806x = 998,020 × 998,020
  4. Step 4: Simplify right side
    465,806x = 996,043,920,400
  5. Step 5: Solve for x
    x = 996,043,920,400/465,806
  6. Step 6: Final answer
    x = 2,138,323.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.