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Finding the Third Proportional to 368,555 and 803,812

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Solution

The third proportional to 368,555 and 803,812 is: 1,753,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,555 : 803,812 = 803,812 : x
  2. Step 2: Convert to fraction form
    368,555/803,812 = 803,812/x
  3. Step 3: Cross multiply
    368,555x = 803,812 × 803,812
  4. Step 4: Simplify right side
    368,555x = 646,113,731,344
  5. Step 5: Solve for x
    x = 646,113,731,344/368,555
  6. Step 6: Final answer
    x = 1,753,099.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.