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Finding the Third Proportional to 461,942.25 and 987,724.50

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Solution

The third proportional to 461,942.25 and 987,724.50 is: 2,111,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,942.25 : 987,724.50 = 987,724.50 : x
  2. Step 2: Convert to fraction form
    461,942.25/987,724.50 = 987,724.50/x
  3. Step 3: Cross multiply
    461,942.25x = 987,724.50 × 987,724.50
  4. Step 4: Simplify right side
    461,942.25x = 975,599,687,900.25
  5. Step 5: Solve for x
    x = 975,599,687,900.25/461,942.25
  6. Step 6: Final answer
    x = 2,111,951.63

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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.