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Finding the Third Proportional to 889,242 and 1,379,001

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Solution

The third proportional to 889,242 and 1,379,001 is: 2,138,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,242 : 1,379,001 = 1,379,001 : x
  2. Step 2: Convert to fraction form
    889,242/1,379,001 = 1,379,001/x
  3. Step 3: Cross multiply
    889,242x = 1,379,001 × 1,379,001
  4. Step 4: Simplify right side
    889,242x = 1,901,643,758,001
  5. Step 5: Solve for x
    x = 1,901,643,758,001/889,242
  6. Step 6: Final answer
    x = 2,138,499.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.