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Finding the Third Proportional to 36,987.75 and 80,895

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Solution

The third proportional to 36,987.75 and 80,895 is: 176,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,987.75 : 80,895 = 80,895 : x
  2. Step 2: Convert to fraction form
    36,987.75/80,895 = 80,895/x
  3. Step 3: Cross multiply
    36,987.75x = 80,895 × 80,895
  4. Step 4: Simplify right side
    36,987.75x = 6,544,001,025
  5. Step 5: Solve for x
    x = 6,544,001,025/36,987.75
  6. Step 6: Final answer
    x = 176,923.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.