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Finding the Third Proportional to 605,391 and 1,328,859

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Solution

The third proportional to 605,391 and 1,328,859 is: 2,916,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,391 : 1,328,859 = 1,328,859 : x
  2. Step 2: Convert to fraction form
    605,391/1,328,859 = 1,328,859/x
  3. Step 3: Cross multiply
    605,391x = 1,328,859 × 1,328,859
  4. Step 4: Simplify right side
    605,391x = 1,765,866,241,881
  5. Step 5: Solve for x
    x = 1,765,866,241,881/605,391
  6. Step 6: Final answer
    x = 2,916,902.04

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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.