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Finding the Third Proportional to 3,809.50 and 5,971

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Solution

The third proportional to 3,809.50 and 5,971 is: 9,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.50 : 5,971 = 5,971 : x
  2. Step 2: Convert to fraction form
    3,809.50/5,971 = 5,971/x
  3. Step 3: Cross multiply
    3,809.50x = 5,971 × 5,971
  4. Step 4: Simplify right side
    3,809.50x = 35,652,841
  5. Step 5: Solve for x
    x = 35,652,841/3,809.50
  6. Step 6: Final answer
    x = 9,358.93

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.