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Finding the Third Proportional to 19,110 and 41,418

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Solution

The third proportional to 19,110 and 41,418 is: 89,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110 : 41,418 = 41,418 : x
  2. Step 2: Convert to fraction form
    19,110/41,418 = 41,418/x
  3. Step 3: Cross multiply
    19,110x = 41,418 × 41,418
  4. Step 4: Simplify right side
    19,110x = 1,715,450,724
  5. Step 5: Solve for x
    x = 1,715,450,724/19,110
  6. Step 6: Final answer
    x = 89,767.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.