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Finding the Third Proportional to 557,508 and 886,107

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Solution

The third proportional to 557,508 and 886,107 is: 1,408,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,508 : 886,107 = 886,107 : x
  2. Step 2: Convert to fraction form
    557,508/886,107 = 886,107/x
  3. Step 3: Cross multiply
    557,508x = 886,107 × 886,107
  4. Step 4: Simplify right side
    557,508x = 785,185,615,449
  5. Step 5: Solve for x
    x = 785,185,615,449/557,508
  6. Step 6: Final answer
    x = 1,408,384.48

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.