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Finding the Third Proportional to 605,385 and 1,328,850

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Solution

The third proportional to 605,385 and 1,328,850 is: 2,916,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,385 : 1,328,850 = 1,328,850 : x
  2. Step 2: Convert to fraction form
    605,385/1,328,850 = 1,328,850/x
  3. Step 3: Cross multiply
    605,385x = 1,328,850 × 1,328,850
  4. Step 4: Simplify right side
    605,385x = 1,765,842,322,500
  5. Step 5: Solve for x
    x = 1,765,842,322,500/605,385
  6. Step 6: Final answer
    x = 2,916,891.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.