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Finding the Third Proportional to 8,260.88 and 18,155.25

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Solution

The third proportional to 8,260.88 and 18,155.25 is: 39,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.88 : 18,155.25 = 18,155.25 : x
  2. Step 2: Convert to fraction form
    8,260.88/18,155.25 = 18,155.25/x
  3. Step 3: Cross multiply
    8,260.88x = 18,155.25 × 18,155.25
  4. Step 4: Simplify right side
    8,260.88x = 329,613,102.56
  5. Step 5: Solve for x
    x = 329,613,102.56/8,260.88
  6. Step 6: Final answer
    x = 39,900.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.