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Finding the Third Proportional to 39,241 and 85,817

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Solution

The third proportional to 39,241 and 85,817 is: 187,675.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,241 : 85,817 = 85,817 : x
  2. Step 2: Convert to fraction form
    39,241/85,817 = 85,817/x
  3. Step 3: Cross multiply
    39,241x = 85,817 × 85,817
  4. Step 4: Simplify right side
    39,241x = 7,364,557,489
  5. Step 5: Solve for x
    x = 7,364,557,489/39,241
  6. Step 6: Final answer
    x = 187,675.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.