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Finding the Third Proportional to 36,612.75 and 76,141.13

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Solution

The third proportional to 36,612.75 and 76,141.13 is: 158,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,612.75 : 76,141.13 = 76,141.13 : x
  2. Step 2: Convert to fraction form
    36,612.75/76,141.13 = 76,141.13/x
  3. Step 3: Cross multiply
    36,612.75x = 76,141.13 × 76,141.13
  4. Step 4: Simplify right side
    36,612.75x = 5,797,470,916.27
  5. Step 5: Solve for x
    x = 5,797,470,916.27/36,612.75
  6. Step 6: Final answer
    x = 158,345.68

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.