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Finding the Third Proportional to 10,512.75 and 15,813.25

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Solution

The third proportional to 10,512.75 and 15,813.25 is: 23,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.75 : 15,813.25 = 15,813.25 : x
  2. Step 2: Convert to fraction form
    10,512.75/15,813.25 = 15,813.25/x
  3. Step 3: Cross multiply
    10,512.75x = 15,813.25 × 15,813.25
  4. Step 4: Simplify right side
    10,512.75x = 250,058,875.56
  5. Step 5: Solve for x
    x = 250,058,875.56/10,512.75
  6. Step 6: Final answer
    x = 23,786.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.