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Finding the Third Proportional to 27,069 and 65,211.75

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Solution

The third proportional to 27,069 and 65,211.75 is: 157,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,069 : 65,211.75 = 65,211.75 : x
  2. Step 2: Convert to fraction form
    27,069/65,211.75 = 65,211.75/x
  3. Step 3: Cross multiply
    27,069x = 65,211.75 × 65,211.75
  4. Step 4: Simplify right side
    27,069x = 4,252,572,338.06
  5. Step 5: Solve for x
    x = 4,252,572,338.06/27,069
  6. Step 6: Final answer
    x = 157,101.20

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.