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Finding the Third Proportional to 11,017 and 22,418

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Solution

The third proportional to 11,017 and 22,418 is: 45,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017 : 22,418 = 22,418 : x
  2. Step 2: Convert to fraction form
    11,017/22,418 = 22,418/x
  3. Step 3: Cross multiply
    11,017x = 22,418 × 22,418
  4. Step 4: Simplify right side
    11,017x = 502,566,724
  5. Step 5: Solve for x
    x = 502,566,724/11,017
  6. Step 6: Final answer
    x = 45,617.38

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.