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Finding the Third Proportional to 37,239.75 and 87,831

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Solution

The third proportional to 37,239.75 and 87,831 is: 207,151.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,239.75 : 87,831 = 87,831 : x
  2. Step 2: Convert to fraction form
    37,239.75/87,831 = 87,831/x
  3. Step 3: Cross multiply
    37,239.75x = 87,831 × 87,831
  4. Step 4: Simplify right side
    37,239.75x = 7,714,284,561
  5. Step 5: Solve for x
    x = 7,714,284,561/37,239.75
  6. Step 6: Final answer
    x = 207,151.89

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.