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Finding the Third Proportional to 19,524 and 27,918

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Solution

The third proportional to 19,524 and 27,918 is: 39,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,524 : 27,918 = 27,918 : x
  2. Step 2: Convert to fraction form
    19,524/27,918 = 27,918/x
  3. Step 3: Cross multiply
    19,524x = 27,918 × 27,918
  4. Step 4: Simplify right side
    19,524x = 779,414,724
  5. Step 5: Solve for x
    x = 779,414,724/19,524
  6. Step 6: Final answer
    x = 39,920.85

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.