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Finding the Third Proportional to 407,569 and 893,869

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Solution

The third proportional to 407,569 and 893,869 is: 1,960,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,569 : 893,869 = 893,869 : x
  2. Step 2: Convert to fraction form
    407,569/893,869 = 893,869/x
  3. Step 3: Cross multiply
    407,569x = 893,869 × 893,869
  4. Step 4: Simplify right side
    407,569x = 799,001,789,161
  5. Step 5: Solve for x
    x = 799,001,789,161/407,569
  6. Step 6: Final answer
    x = 1,960,408.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.