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Finding the Third Proportional to 2,455 and 5,791

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Solution

The third proportional to 2,455 and 5,791 is: 13,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455 : 5,791 = 5,791 : x
  2. Step 2: Convert to fraction form
    2,455/5,791 = 5,791/x
  3. Step 3: Cross multiply
    2,455x = 5,791 × 5,791
  4. Step 4: Simplify right side
    2,455x = 33,535,681
  5. Step 5: Solve for x
    x = 33,535,681/2,455
  6. Step 6: Final answer
    x = 13,660.16

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.