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Finding the Third Proportional to 5,305 and 11,418

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Solution

The third proportional to 5,305 and 11,418 is: 24,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305 : 11,418 = 11,418 : x
  2. Step 2: Convert to fraction form
    5,305/11,418 = 11,418/x
  3. Step 3: Cross multiply
    5,305x = 11,418 × 11,418
  4. Step 4: Simplify right side
    5,305x = 130,370,724
  5. Step 5: Solve for x
    x = 130,370,724/5,305
  6. Step 6: Final answer
    x = 24,575.07

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.