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Finding the Third Proportional to 5,112 and 11,403

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Solution

The third proportional to 5,112 and 11,403 is: 25,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112 : 11,403 = 11,403 : x
  2. Step 2: Convert to fraction form
    5,112/11,403 = 11,403/x
  3. Step 3: Cross multiply
    5,112x = 11,403 × 11,403
  4. Step 4: Simplify right side
    5,112x = 130,028,409
  5. Step 5: Solve for x
    x = 130,028,409/5,112
  6. Step 6: Final answer
    x = 25,435.92

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.