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Finding the Third Proportional to 2,457 and 5,393

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Solution

The third proportional to 2,457 and 5,393 is: 11,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457 : 5,393 = 5,393 : x
  2. Step 2: Convert to fraction form
    2,457/5,393 = 5,393/x
  3. Step 3: Cross multiply
    2,457x = 5,393 × 5,393
  4. Step 4: Simplify right side
    2,457x = 29,084,449
  5. Step 5: Solve for x
    x = 29,084,449/2,457
  6. Step 6: Final answer
    x = 11,837.38

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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.