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Finding the Third Proportional to 27,579.75 and 43,695

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Solution

The third proportional to 27,579.75 and 43,695 is: 69,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.75 : 43,695 = 43,695 : x
  2. Step 2: Convert to fraction form
    27,579.75/43,695 = 43,695/x
  3. Step 3: Cross multiply
    27,579.75x = 43,695 × 43,695
  4. Step 4: Simplify right side
    27,579.75x = 1,909,253,025
  5. Step 5: Solve for x
    x = 1,909,253,025/27,579.75
  6. Step 6: Final answer
    x = 69,226.63

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.