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Finding the Third Proportional to 27,911 and 61,350

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Solution

The third proportional to 27,911 and 61,350 is: 134,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911 : 61,350 = 61,350 : x
  2. Step 2: Convert to fraction form
    27,911/61,350 = 61,350/x
  3. Step 3: Cross multiply
    27,911x = 61,350 × 61,350
  4. Step 4: Simplify right side
    27,911x = 3,763,822,500
  5. Step 5: Solve for x
    x = 3,763,822,500/27,911
  6. Step 6: Final answer
    x = 134,850.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.