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Finding the Third Proportional to 579,636 and 886,743

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Solution

The third proportional to 579,636 and 886,743 is: 1,356,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,636 : 886,743 = 886,743 : x
  2. Step 2: Convert to fraction form
    579,636/886,743 = 886,743/x
  3. Step 3: Cross multiply
    579,636x = 886,743 × 886,743
  4. Step 4: Simplify right side
    579,636x = 786,313,148,049
  5. Step 5: Solve for x
    x = 786,313,148,049/579,636
  6. Step 6: Final answer
    x = 1,356,563.68

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.