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Finding the Third Proportional to 487,713 and 998,025

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Solution

The third proportional to 487,713 and 998,025 is: 2,042,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,713 : 998,025 = 998,025 : x
  2. Step 2: Convert to fraction form
    487,713/998,025 = 998,025/x
  3. Step 3: Cross multiply
    487,713x = 998,025 × 998,025
  4. Step 4: Simplify right side
    487,713x = 996,053,900,625
  5. Step 5: Solve for x
    x = 996,053,900,625/487,713
  6. Step 6: Final answer
    x = 2,042,295.16

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.