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Finding the Third Proportional to 60,324.75 and 128,660.91

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Solution

The third proportional to 60,324.75 and 128,660.91 is: 274,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,324.75 : 128,660.91 = 128,660.91 : x
  2. Step 2: Convert to fraction form
    60,324.75/128,660.91 = 128,660.91/x
  3. Step 3: Cross multiply
    60,324.75x = 128,660.91 × 128,660.91
  4. Step 4: Simplify right side
    60,324.75x = 16,553,628,797.07
  5. Step 5: Solve for x
    x = 16,553,628,797.07/60,324.75
  6. Step 6: Final answer
    x = 274,408.58

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.