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Finding the Third Proportional to 2,527 and 5,455

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Solution

The third proportional to 2,527 and 5,455 is: 11,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527 : 5,455 = 5,455 : x
  2. Step 2: Convert to fraction form
    2,527/5,455 = 5,455/x
  3. Step 3: Cross multiply
    2,527x = 5,455 × 5,455
  4. Step 4: Simplify right side
    2,527x = 29,757,025
  5. Step 5: Solve for x
    x = 29,757,025/2,527
  6. Step 6: Final answer
    x = 11,775.63

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.