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Finding the Third Proportional to 21,137.25 and 44,631

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Solution

The third proportional to 21,137.25 and 44,631 is: 94,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,137.25 : 44,631 = 44,631 : x
  2. Step 2: Convert to fraction form
    21,137.25/44,631 = 44,631/x
  3. Step 3: Cross multiply
    21,137.25x = 44,631 × 44,631
  4. Step 4: Simplify right side
    21,137.25x = 1,991,926,161
  5. Step 5: Solve for x
    x = 1,991,926,161/21,137.25
  6. Step 6: Final answer
    x = 94,237.72

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.