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Finding the Third Proportional to 8,792.72 and 18,987.75

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Solution

The third proportional to 8,792.72 and 18,987.75 is: 41,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.72 : 18,987.75 = 18,987.75 : x
  2. Step 2: Convert to fraction form
    8,792.72/18,987.75 = 18,987.75/x
  3. Step 3: Cross multiply
    8,792.72x = 18,987.75 × 18,987.75
  4. Step 4: Simplify right side
    8,792.72x = 360,534,650.06
  5. Step 5: Solve for x
    x = 360,534,650.06/8,792.72
  6. Step 6: Final answer
    x = 41,003.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.