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Finding the Third Proportional to 271,919 and 382,242

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Solution

The third proportional to 271,919 and 382,242 is: 537,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,919 : 382,242 = 382,242 : x
  2. Step 2: Convert to fraction form
    271,919/382,242 = 382,242/x
  3. Step 3: Cross multiply
    271,919x = 382,242 × 382,242
  4. Step 4: Simplify right side
    271,919x = 146,108,946,564
  5. Step 5: Solve for x
    x = 146,108,946,564/271,919
  6. Step 6: Final answer
    x = 537,325.26

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.