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Finding the Third Proportional to 11,487 and 25,080

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Solution

The third proportional to 11,487 and 25,080 is: 54,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487 : 25,080 = 25,080 : x
  2. Step 2: Convert to fraction form
    11,487/25,080 = 25,080/x
  3. Step 3: Cross multiply
    11,487x = 25,080 × 25,080
  4. Step 4: Simplify right side
    11,487x = 629,006,400
  5. Step 5: Solve for x
    x = 629,006,400/11,487
  6. Step 6: Final answer
    x = 54,758.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.