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Finding the Third Proportional to 27,851 and 43,485

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Solution

The third proportional to 27,851 and 43,485 is: 67,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851 : 43,485 = 43,485 : x
  2. Step 2: Convert to fraction form
    27,851/43,485 = 43,485/x
  3. Step 3: Cross multiply
    27,851x = 43,485 × 43,485
  4. Step 4: Simplify right side
    27,851x = 1,890,945,225
  5. Step 5: Solve for x
    x = 1,890,945,225/27,851
  6. Step 6: Final answer
    x = 67,895.06

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.