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Finding the Third Proportional to 847,827 and 1,842,912

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Solution

The third proportional to 847,827 and 1,842,912 is: 4,005,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,827 : 1,842,912 = 1,842,912 : x
  2. Step 2: Convert to fraction form
    847,827/1,842,912 = 1,842,912/x
  3. Step 3: Cross multiply
    847,827x = 1,842,912 × 1,842,912
  4. Step 4: Simplify right side
    847,827x = 3,396,324,639,744
  5. Step 5: Solve for x
    x = 3,396,324,639,744/847,827
  6. Step 6: Final answer
    x = 4,005,917.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.