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Finding the Third Proportional to 558,855 and 886,379

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Solution

The third proportional to 558,855 and 886,379 is: 1,405,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,855 : 886,379 = 886,379 : x
  2. Step 2: Convert to fraction form
    558,855/886,379 = 886,379/x
  3. Step 3: Cross multiply
    558,855x = 886,379 × 886,379
  4. Step 4: Simplify right side
    558,855x = 785,667,731,641
  5. Step 5: Solve for x
    x = 785,667,731,641/558,855
  6. Step 6: Final answer
    x = 1,405,852.56

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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.