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Finding the Third Proportional to 913 and 2,201

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Solution

The third proportional to 913 and 2,201 is: 5,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    913 : 2,201 = 2,201 : x
  2. Step 2: Convert to fraction form
    913/2,201 = 2,201/x
  3. Step 3: Cross multiply
    913x = 2,201 × 2,201
  4. Step 4: Simplify right side
    913x = 4,844,401
  5. Step 5: Solve for x
    x = 4,844,401/913
  6. Step 6: Final answer
    x = 5,306.03

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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.