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Finding the Third Proportional to 15,120.75 and 23,631

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Solution

The third proportional to 15,120.75 and 23,631 is: 36,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.75 : 23,631 = 23,631 : x
  2. Step 2: Convert to fraction form
    15,120.75/23,631 = 23,631/x
  3. Step 3: Cross multiply
    15,120.75x = 23,631 × 23,631
  4. Step 4: Simplify right side
    15,120.75x = 558,424,161
  5. Step 5: Solve for x
    x = 558,424,161/15,120.75
  6. Step 6: Final answer
    x = 36,930.98

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.