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Finding the Third Proportional to 1,384,921.50 and 2,071,845

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Solution

The third proportional to 1,384,921.50 and 2,071,845 is: 3,099,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,921.50 : 2,071,845 = 2,071,845 : x
  2. Step 2: Convert to fraction form
    1,384,921.50/2,071,845 = 2,071,845/x
  3. Step 3: Cross multiply
    1,384,921.50x = 2,071,845 × 2,071,845
  4. Step 4: Simplify right side
    1,384,921.50x = 4,292,541,704,025
  5. Step 5: Solve for x
    x = 4,292,541,704,025/1,384,921.50
  6. Step 6: Final answer
    x = 3,099,483.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.