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Finding the Third Proportional to 739,872 and 1,107,783

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Solution

The third proportional to 739,872 and 1,107,783 is: 1,658,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,872 : 1,107,783 = 1,107,783 : x
  2. Step 2: Convert to fraction form
    739,872/1,107,783 = 1,107,783/x
  3. Step 3: Cross multiply
    739,872x = 1,107,783 × 1,107,783
  4. Step 4: Simplify right side
    739,872x = 1,227,183,175,089
  5. Step 5: Solve for x
    x = 1,227,183,175,089/739,872
  6. Step 6: Final answer
    x = 1,658,642.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.