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Finding the Third Proportional to 879,449 and 1,393,699

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Solution

The third proportional to 879,449 and 1,393,699 is: 2,208,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,449 : 1,393,699 = 1,393,699 : x
  2. Step 2: Convert to fraction form
    879,449/1,393,699 = 1,393,699/x
  3. Step 3: Cross multiply
    879,449x = 1,393,699 × 1,393,699
  4. Step 4: Simplify right side
    879,449x = 1,942,396,902,601
  5. Step 5: Solve for x
    x = 1,942,396,902,601/879,449
  6. Step 6: Final answer
    x = 2,208,652.12

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.