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Finding the Third Proportional to 382,684 and 837,876

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Solution

The third proportional to 382,684 and 837,876 is: 1,834,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,684 : 837,876 = 837,876 : x
  2. Step 2: Convert to fraction form
    382,684/837,876 = 837,876/x
  3. Step 3: Cross multiply
    382,684x = 837,876 × 837,876
  4. Step 4: Simplify right side
    382,684x = 702,036,191,376
  5. Step 5: Solve for x
    x = 702,036,191,376/382,684
  6. Step 6: Final answer
    x = 1,834,506.25

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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.