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Finding the Third Proportional to 19,474.50 and 40,893

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Solution

The third proportional to 19,474.50 and 40,893 is: 85,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.50 : 40,893 = 40,893 : x
  2. Step 2: Convert to fraction form
    19,474.50/40,893 = 40,893/x
  3. Step 3: Cross multiply
    19,474.50x = 40,893 × 40,893
  4. Step 4: Simplify right side
    19,474.50x = 1,672,237,449
  5. Step 5: Solve for x
    x = 1,672,237,449/19,474.50
  6. Step 6: Final answer
    x = 85,868.06

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.