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Finding the Third Proportional to 19,389.75 and 41,874.75

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Solution

The third proportional to 19,389.75 and 41,874.75 is: 90,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.75 : 41,874.75 = 41,874.75 : x
  2. Step 2: Convert to fraction form
    19,389.75/41,874.75 = 41,874.75/x
  3. Step 3: Cross multiply
    19,389.75x = 41,874.75 × 41,874.75
  4. Step 4: Simplify right side
    19,389.75x = 1,753,494,687.56
  5. Step 5: Solve for x
    x = 1,753,494,687.56/19,389.75
  6. Step 6: Final answer
    x = 90,434.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.